./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array9_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array9_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ae6792b63619c19d32145c9c656ded5ce2ab653945337eaf95cf4eb94965d3b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:44:33,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:44:33,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:44:33,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:44:33,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:44:33,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:44:33,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:44:33,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:44:33,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:44:33,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:44:33,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:44:33,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:44:33,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:44:33,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:44:33,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:44:33,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:44:33,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:44:33,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:44:33,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:44:33,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:44:33,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:44:33,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:44:33,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:44:33,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:44:33,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:44:33,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:44:33,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:44:33,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:44:33,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:44:33,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:44:33,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:44:33,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:44:33,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:44:33,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:44:33,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:44:33,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:44:33,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:44:33,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:44:33,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:44:33,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:44:33,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:44:33,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:44:33,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:44:33,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:44:33,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:44:33,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:44:33,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:44:33,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:44:33,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:44:33,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:44:33,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:44:33,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:44:33,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:44:33,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:44:33,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:44:33,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:44:33,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:44:33,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:44:33,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:44:33,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:44:33,343 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:44:33,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:44:33,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:44:33,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:44:33,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:44:33,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:44:33,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:44:33,345 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:44:33,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:44:33,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:44:33,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ae6792b63619c19d32145c9c656ded5ce2ab653945337eaf95cf4eb94965d3b [2021-11-21 05:44:33,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:44:33,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:44:33,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:44:33,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:44:33,614 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:44:33,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array9_pattern.c [2021-11-21 05:44:33,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/data/89c28db1f/1ff51401d8e748818d2d74290d9bb6b3/FLAG2fc8a540a [2021-11-21 05:44:34,171 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:44:34,172 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/sv-benchmarks/c/array-patterns/array9_pattern.c [2021-11-21 05:44:34,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/data/89c28db1f/1ff51401d8e748818d2d74290d9bb6b3/FLAG2fc8a540a [2021-11-21 05:44:34,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/data/89c28db1f/1ff51401d8e748818d2d74290d9bb6b3 [2021-11-21 05:44:34,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:44:34,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:44:34,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:44:34,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:44:34,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:44:34,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f65461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34, skipping insertion in model container [2021-11-21 05:44:34,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:44:34,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:44:34,788 WARN L230 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_636033a4-fb1c-4459-935c-733b67102182/sv-benchmarks/c/array-patterns/array9_pattern.c[1352,1365] [2021-11-21 05:44:34,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:44:34,827 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:44:34,841 WARN L230 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_636033a4-fb1c-4459-935c-733b67102182/sv-benchmarks/c/array-patterns/array9_pattern.c[1352,1365] [2021-11-21 05:44:34,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:44:34,885 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:44:34,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34 WrapperNode [2021-11-21 05:44:34,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:44:34,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:44:34,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:44:34,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:44:34,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,945 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2021-11-21 05:44:34,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:44:34,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:44:34,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:44:34,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:44:34,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:34,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:44:34,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:44:34,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:44:34,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:44:35,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:34" (1/1) ... [2021-11-21 05:44:35,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:44:35,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:44:35,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:44:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636033a4-fb1c-4459-935c-733b67102182/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 05:44:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 05:44:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:44:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:44:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:44:35,164 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:44:35,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:44:35,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:44:35,469 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:44:35,469 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 05:44:35,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:44:35 BoogieIcfgContainer [2021-11-21 05:44:35,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:44:35,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:44:35,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:44:35,489 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:44:35,494 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:44:35" (1/1) ... [2021-11-21 05:44:35,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:44:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-21 05:44:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-21 05:44:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:44:35,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:35,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-21 05:44:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-21 05:44:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:44:35,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:35,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:35,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:44:35,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-21 05:44:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-21 05:44:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:44:36,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:36,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:36,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 05:44:36,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:36,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-21 05:44:36,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-21 05:44:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:36,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:36,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:36,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:44:36,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:36,768 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 [2021-11-21 05:44:36,839 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 27 treesize of output 15 [2021-11-21 05:44:37,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:44:37,490 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:44:37,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:44:38,859 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:44:38,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:44:38,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2021-11-21 05:44:43,174 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2021-11-21 05:44:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:43,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:43,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:43,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:44:43,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:43,233 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 [2021-11-21 05:44:43,264 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 27 treesize of output 15 [2021-11-21 05:44:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:44:43,606 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:44:43,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:44:43,747 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:44:43,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:44:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2021-11-21 05:44:43,822 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2021-11-21 05:44:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:43,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:43,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:43,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:44:43,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:43,906 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 [2021-11-21 05:44:43,998 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 27 treesize of output 15 [2021-11-21 05:44:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:44:48,385 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:44:48,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:44:50,618 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:44:50,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:44:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2021-11-21 05:45:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2021-11-21 05:45:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:06,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:06,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:06,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:45:06,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:06,188 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 [2021-11-21 05:45:06,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:45:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:06,493 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:06,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:06,628 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:45:06,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:45:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2021-11-21 05:45:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2021-11-21 05:45:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:06,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:06,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:06,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:45:06,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:06,766 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 [2021-11-21 05:45:06,781 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 27 treesize of output 15 [2021-11-21 05:45:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:11,960 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:45:11,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:45:13,310 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:45:13,311 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 32 treesize of output 16 [2021-11-21 05:45:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-21 05:45:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-21 05:45:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:28,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:28,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:28,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:45:28,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:28,731 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 [2021-11-21 05:45:28,752 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 27 treesize of output 15 [2021-11-21 05:45:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:34,719 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:34,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:34,858 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:45:34,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:45:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-21 05:45:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-21 05:45:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:44,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:44,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:44,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:45:44,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:44,779 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 [2021-11-21 05:45:44,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:45:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:45,045 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:45,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:45,180 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:45:45,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:45:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-21 05:45:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-21 05:45:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:45,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:45,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:45,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:45:45,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:45,326 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 [2021-11-21 05:45:45,370 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 27 treesize of output 15 [2021-11-21 05:45:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:45,634 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:45,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:45,766 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:45:45,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:45:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-21 05:45:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-21 05:45:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:45,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:45,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:45,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:45:45,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:45,876 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 [2021-11-21 05:45:45,896 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 27 treesize of output 15 [2021-11-21 05:45:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:46,168 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:46,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:46,289 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:45:46,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:45:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-21 05:45:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-21 05:45:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:46,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:46,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:46,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:45:46,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:46,434 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 [2021-11-21 05:45:46,454 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 27 treesize of output 15 [2021-11-21 05:45:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:46,735 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:46,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:46,856 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:45:46,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:45:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-21 05:45:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-21 05:45:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:46,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:46,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:46,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:45:46,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:46,977 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 [2021-11-21 05:45:46,997 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 27 treesize of output 15 [2021-11-21 05:45:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:47,268 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:47,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:47,411 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:45:47,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:45:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-21 05:45:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-21 05:45:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:47,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:47,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:47,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:45:47,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:45:47,548 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 [2021-11-21 05:45:47,571 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 27 treesize of output 15 [2021-11-21 05:45:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:45:53,354 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:45:53,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:45:53,494 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:45:53,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:45:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:20,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:20,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:20,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:46:20,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:20,056 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 [2021-11-21 05:46:20,079 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 27 treesize of output 15 [2021-11-21 05:46:23,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:23,540 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:23,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:23,652 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:23,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:23,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:23,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:23,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:23,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:46:23,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:23,764 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 [2021-11-21 05:46:23,790 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 27 treesize of output 15 [2021-11-21 05:46:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:27,188 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:27,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:27,303 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:27,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:27,349 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:27,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:27,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:27,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:46:27,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:27,404 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 [2021-11-21 05:46:27,421 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 27 treesize of output 15 [2021-11-21 05:46:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:31,086 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:31,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:31,225 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:46:31,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:46:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:31,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:31,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:31,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:46:31,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:31,313 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 [2021-11-21 05:46:31,334 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 27 treesize of output 15 [2021-11-21 05:46:31,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:31,564 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:31,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:31,683 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:31,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:31,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:31,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:31,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:31,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:46:31,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:31,780 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 [2021-11-21 05:46:31,803 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 27 treesize of output 15 [2021-11-21 05:46:32,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:32,034 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:32,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:32,156 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:32,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:32,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:32,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:32,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:46:32,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:32,250 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 [2021-11-21 05:46:32,273 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 42 treesize of output 25 [2021-11-21 05:46:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:35,693 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:35,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:35,823 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:35,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:35,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:35,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:35,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:35,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:46:35,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:35,936 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 [2021-11-21 05:46:35,963 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 27 treesize of output 15 [2021-11-21 05:46:39,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:39,354 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:39,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:39,453 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:39,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:39,496 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:39,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:39,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:39,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:46:39,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:39,568 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 [2021-11-21 05:46:39,593 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 27 treesize of output 15 [2021-11-21 05:46:39,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:39,854 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:39,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:39,961 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:39,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:40,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:40,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:40,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:46:40,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:40,061 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 [2021-11-21 05:46:40,081 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 27 treesize of output 15 [2021-11-21 05:46:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:43,526 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:43,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:43,626 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:43,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:43,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:43,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:43,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:43,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:46:43,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:43,739 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 [2021-11-21 05:46:43,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:46:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:48,908 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:48,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:49,017 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:46:49,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:46:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:49,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:49,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:49,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:49,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:46:49,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:49,107 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 [2021-11-21 05:46:49,126 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 27 treesize of output 15 [2021-11-21 05:46:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:52,481 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:52,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:52,577 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:52,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:52,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:52,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:52,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:46:52,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:52,665 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 [2021-11-21 05:46:52,682 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 27 treesize of output 15 [2021-11-21 05:46:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:52,964 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:52,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:53,096 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:53,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:53,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:53,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:53,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:46:53,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:53,187 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 [2021-11-21 05:46:53,213 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 42 treesize of output 25 [2021-11-21 05:46:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:46:56,640 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:46:56,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:46:56,770 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:46:56,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:46:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:46:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:46:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:46:56,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:56,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:56,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:46:56,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:46:56,857 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 [2021-11-21 05:46:56,878 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 27 treesize of output 15 [2021-11-21 05:47:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:02,093 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:47:02,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:47:02,172 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:47:02,172 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 32 treesize of output 16 [2021-11-21 05:47:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:02,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:02,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:02,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:02,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:47:02,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:02,261 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 [2021-11-21 05:47:02,292 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 42 treesize of output 25 [2021-11-21 05:47:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:05,793 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:05,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:05,906 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:05,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:05,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:05,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:05,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:05,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:47:05,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:05,999 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 [2021-11-21 05:47:06,013 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 27 treesize of output 15 [2021-11-21 05:47:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:09,508 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:09,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:09,640 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:09,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:09,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:09,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:09,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:09,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:09,750 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 [2021-11-21 05:47:09,773 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 27 treesize of output 15 [2021-11-21 05:47:13,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:13,143 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:13,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:13,243 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:13,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:13,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:13,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:13,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:13,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:13,328 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 [2021-11-21 05:47:13,354 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 27 treesize of output 15 [2021-11-21 05:47:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:16,734 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:16,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:16,831 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:16,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:16,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:16,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:16,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:47:16,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:16,915 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 [2021-11-21 05:47:16,931 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 27 treesize of output 15 [2021-11-21 05:47:17,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:17,152 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:17,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:17,251 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:17,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:17,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:17,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:17,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:17,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:47:17,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:17,347 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 [2021-11-21 05:47:17,364 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 27 treesize of output 15 [2021-11-21 05:47:17,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:17,606 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:17,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:17,713 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:17,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:17,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:17,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:17,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:17,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:17,813 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 [2021-11-21 05:47:17,827 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 27 treesize of output 15 [2021-11-21 05:47:21,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:21,200 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:21,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:21,308 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:21,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:21,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:21,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:21,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:21,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:21,394 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 [2021-11-21 05:47:21,414 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 27 treesize of output 15 [2021-11-21 05:47:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:24,746 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:24,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:24,847 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:24,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:24,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:24,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:24,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:47:24,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:24,933 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 [2021-11-21 05:47:24,967 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 27 treesize of output 15 [2021-11-21 05:47:30,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:30,101 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:30,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:30,208 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:47:30,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:47:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:30,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:30,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:30,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:47:30,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:30,284 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 [2021-11-21 05:47:30,306 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 27 treesize of output 15 [2021-11-21 05:47:33,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:33,844 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:33,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:33,946 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:47:33,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:47:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:33,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:33,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:34,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:34,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:34,028 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 [2021-11-21 05:47:34,050 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 27 treesize of output 15 [2021-11-21 05:47:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:37,339 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:37,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:37,446 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:37,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:37,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:37,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:37,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:47:37,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:37,535 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 [2021-11-21 05:47:37,550 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 27 treesize of output 15 [2021-11-21 05:47:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:41,129 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:41,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:41,234 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:47:41,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:47:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:41,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:41,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:41,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:41,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:47:41,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:41,331 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 [2021-11-21 05:47:41,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:47:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:41,572 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:41,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:41,684 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:41,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:41,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:41,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:41,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:41,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:41,788 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 [2021-11-21 05:47:41,811 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 27 treesize of output 15 [2021-11-21 05:47:45,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:45,114 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:45,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:45,225 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:45,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:45,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:45,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:45,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:47:45,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:45,300 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 [2021-11-21 05:47:45,316 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 42 treesize of output 25 [2021-11-21 05:47:48,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:48,656 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:48,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:48,760 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:48,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:48,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:48,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:48,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:48,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:48,832 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 [2021-11-21 05:47:48,854 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 27 treesize of output 15 [2021-11-21 05:47:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:52,162 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:52,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:52,265 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:52,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:52,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:52,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:52,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:47:52,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:52,355 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 [2021-11-21 05:47:52,373 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 27 treesize of output 15 [2021-11-21 05:47:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:55,970 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:55,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:56,069 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:47:56,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:47:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:56,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:56,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:56,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:56,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:47:56,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:56,149 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 [2021-11-21 05:47:56,164 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 27 treesize of output 15 [2021-11-21 05:47:56,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:56,362 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:56,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:56,457 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:56,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:56,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:56,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:56,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:47:56,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:56,542 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 [2021-11-21 05:47:56,556 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 27 treesize of output 15 [2021-11-21 05:47:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:47:56,768 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:47:56,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:47:56,893 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:47:56,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:47:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:47:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:47:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:47:56,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:56,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:56,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:47:56,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:56,985 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 [2021-11-21 05:47:57,011 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 27 treesize of output 15 [2021-11-21 05:48:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:00,311 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:00,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:00,414 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:00,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:00,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:00,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:00,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:48:00,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:00,508 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 [2021-11-21 05:48:00,532 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 27 treesize of output 15 [2021-11-21 05:48:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:04,065 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:04,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:04,176 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:48:04,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:48:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:04,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:04,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:04,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:04,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:04,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:04,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:04,258 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 [2021-11-21 05:48:04,272 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 27 treesize of output 15 [2021-11-21 05:48:04,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:04,478 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:04,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:04,594 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:04,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:04,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:04,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:04,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:04,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:04,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:04,687 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 [2021-11-21 05:48:04,706 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 27 treesize of output 15 [2021-11-21 05:48:04,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:04,949 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:04,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:05,047 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:05,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:05,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:05,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:05,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:48:05,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:05,126 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 [2021-11-21 05:48:05,145 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 27 treesize of output 15 [2021-11-21 05:48:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:08,553 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:08,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:08,653 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:08,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:08,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:08,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:08,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:08,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:48:08,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:08,743 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 [2021-11-21 05:48:08,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:48:12,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:12,396 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:12,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:12,511 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-21 05:48:12,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 28 [2021-11-21 05:48:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:12,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:12,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:12,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:12,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:12,607 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 [2021-11-21 05:48:12,622 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 27 treesize of output 15 [2021-11-21 05:48:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:12,846 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:12,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:12,950 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:12,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:12,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:12,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:12,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:13,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:13,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:13,033 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 [2021-11-21 05:48:13,050 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 27 treesize of output 15 [2021-11-21 05:48:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:13,272 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:13,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:13,405 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:13,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:13,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:13,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:13,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:13,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:13,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:13,494 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 [2021-11-21 05:48:13,518 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 27 treesize of output 15 [2021-11-21 05:48:13,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:13,739 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:13,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:13,856 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:13,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:13,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:13,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:13,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:13,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:13,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:13,970 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 [2021-11-21 05:48:13,991 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 27 treesize of output 15 [2021-11-21 05:48:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:14,218 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:14,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:14,326 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:14,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:14,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:14,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:14,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:48:14,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:14,408 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 [2021-11-21 05:48:14,431 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 27 treesize of output 15 [2021-11-21 05:48:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:19,643 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:48:19,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:48:24,686 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:48:24,686 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 32 treesize of output 16 [2021-11-21 05:48:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:34,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:34,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:34,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:48:34,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:34,645 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 [2021-11-21 05:48:34,667 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 27 treesize of output 15 [2021-11-21 05:48:37,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:37,977 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:37,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:38,081 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:38,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:38,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:38,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:38,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:38,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:38,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:38,162 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 [2021-11-21 05:48:38,178 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 27 treesize of output 15 [2021-11-21 05:48:38,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:38,393 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:38,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:38,511 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:38,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:38,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:38,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:38,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:48:38,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:38,603 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 [2021-11-21 05:48:38,635 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 27 treesize of output 15 [2021-11-21 05:48:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:43,936 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:43,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:44,052 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:48:44,052 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 32 treesize of output 16 [2021-11-21 05:48:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:44,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:44,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:44,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:48:44,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:44,150 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 [2021-11-21 05:48:44,177 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 27 treesize of output 15 [2021-11-21 05:48:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:48,067 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:48,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:48,172 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:48:48,173 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 32 treesize of output 16 [2021-11-21 05:48:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:48,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:48,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:48,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:48,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:48,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:48,282 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 [2021-11-21 05:48:48,308 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 27 treesize of output 15 [2021-11-21 05:48:48,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:48,587 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:48,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:48,739 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:48,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:48,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:48,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:48,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:48,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:48,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:48,837 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 [2021-11-21 05:48:48,852 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 27 treesize of output 15 [2021-11-21 05:48:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:49,069 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:49,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:49,180 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:49,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:49,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:49,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:49,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:49,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:49,264 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 [2021-11-21 05:48:49,278 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 27 treesize of output 15 [2021-11-21 05:48:49,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:49,503 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:49,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:49,621 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:49,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:49,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:49,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:49,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:48:49,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:49,706 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 [2021-11-21 05:48:49,736 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 27 treesize of output 15 [2021-11-21 05:48:53,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:53,649 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:53,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:53,788 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:53,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:53,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:53,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:53,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:48:53,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:53,885 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 [2021-11-21 05:48:53,905 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 27 treesize of output 15 [2021-11-21 05:48:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:57,866 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:57,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:57,953 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:48:57,953 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 32 treesize of output 16 [2021-11-21 05:48:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:57,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:57,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:58,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:58,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:58,035 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 [2021-11-21 05:48:58,050 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 27 treesize of output 15 [2021-11-21 05:48:58,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:58,259 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:58,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:58,391 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:58,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:58,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:58,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:58,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:48:58,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:58,482 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 [2021-11-21 05:48:58,493 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 27 treesize of output 15 [2021-11-21 05:48:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:48:58,744 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:48:58,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:48:58,861 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:48:58,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:48:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:48:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:48:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:48:58,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:58,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:58,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:48:58,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:58,947 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 [2021-11-21 05:48:58,965 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 27 treesize of output 15 [2021-11-21 05:49:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:04,133 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:04,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:04,217 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:49:04,218 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 32 treesize of output 16 [2021-11-21 05:49:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:04,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:04,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:04,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:49:04,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:04,304 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 [2021-11-21 05:49:04,331 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 42 treesize of output 25 [2021-11-21 05:49:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:08,074 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:08,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:08,207 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:08,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:08,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:08,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:08,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:49:08,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:08,292 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 [2021-11-21 05:49:08,313 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 27 treesize of output 15 [2021-11-21 05:49:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:12,273 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:12,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:12,371 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:49:12,371 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 32 treesize of output 16 [2021-11-21 05:49:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:12,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:12,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:12,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:49:12,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:12,446 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 [2021-11-21 05:49:12,464 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 27 treesize of output 15 [2021-11-21 05:49:16,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:16,401 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:16,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:16,543 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:16,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:16,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:16,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:16,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:16,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:49:16,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:16,633 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 [2021-11-21 05:49:16,657 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 27 treesize of output 15 [2021-11-21 05:49:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:20,445 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:20,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:20,589 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:20,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:20,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:20,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:20,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:49:20,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:20,685 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 [2021-11-21 05:49:20,729 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 27 treesize of output 15 [2021-11-21 05:49:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:26,503 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:26,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:26,619 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:49:26,620 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 32 treesize of output 16 [2021-11-21 05:49:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:26,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:26,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:26,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:26,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:26,719 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 [2021-11-21 05:49:26,740 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 27 treesize of output 15 [2021-11-21 05:49:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:26,954 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:26,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:27,064 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:27,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:27,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:27,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:27,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:27,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:27,178 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 [2021-11-21 05:49:27,198 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 27 treesize of output 15 [2021-11-21 05:49:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:27,470 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:27,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:27,610 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:27,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:27,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:27,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:27,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:27,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:27,692 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 [2021-11-21 05:49:27,709 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 27 treesize of output 15 [2021-11-21 05:49:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:27,937 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:27,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:28,076 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:28,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:28,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:28,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:28,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:49:28,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:28,178 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 [2021-11-21 05:49:28,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:49:32,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:32,243 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:32,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:32,327 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:49:32,327 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 32 treesize of output 16 [2021-11-21 05:49:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:32,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:32,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:32,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:32,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:49:32,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:32,426 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 [2021-11-21 05:49:32,446 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 27 treesize of output 15 [2021-11-21 05:49:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:36,342 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:36,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:36,452 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:49:36,452 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 32 treesize of output 16 [2021-11-21 05:49:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:36,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:36,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:36,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:36,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:36,527 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 [2021-11-21 05:49:36,543 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 27 treesize of output 15 [2021-11-21 05:49:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:36,752 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:36,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:36,892 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:36,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:36,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:36,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:36,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:36,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:36,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:36,986 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 [2021-11-21 05:49:37,001 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 27 treesize of output 15 [2021-11-21 05:49:37,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:37,276 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:37,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:37,387 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:37,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:37,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:37,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:37,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:37,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:37,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:37,465 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 [2021-11-21 05:49:37,484 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 27 treesize of output 15 [2021-11-21 05:49:37,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:37,745 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:37,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:37,882 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:37,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:37,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:37,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:37,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:37,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:49:37,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:37,987 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 [2021-11-21 05:49:38,011 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 27 treesize of output 15 [2021-11-21 05:49:41,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:41,973 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:41,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:42,116 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:42,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:42,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:42,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:42,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:42,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:42,215 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 [2021-11-21 05:49:42,246 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 27 treesize of output 15 [2021-11-21 05:49:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:42,561 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:42,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:42,696 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:42,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:42,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:42,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:42,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:49:42,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:42,778 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 [2021-11-21 05:49:42,796 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 27 treesize of output 15 [2021-11-21 05:49:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:43,044 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:43,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:43,185 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:43,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2021-11-21 05:49:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2021-11-21 05:49:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:43,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:43,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:43,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:49:43,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:43,289 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 [2021-11-21 05:49:43,309 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 27 treesize of output 15 [2021-11-21 05:49:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:47,311 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:47,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:47,410 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:49:47,410 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 32 treesize of output 16 [2021-11-21 05:49:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 91 transitions. [2021-11-21 05:49:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 91 transitions. [2021-11-21 05:49:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:49,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:49,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:49,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:49:49,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:49,709 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 [2021-11-21 05:49:49,724 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 27 treesize of output 15 [2021-11-21 05:49:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:53,480 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:53,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:53,586 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:49:53,586 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 32 treesize of output 16 [2021-11-21 05:49:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:49:54,800 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:49:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:54,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:54,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:54,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:49:54,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:54,853 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 [2021-11-21 05:49:54,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:49:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:49:58,610 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:49:58,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:49:58,752 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:49:58,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:49:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:49:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:49:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:49:58,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:58,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:58,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:49:58,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:49:58,829 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 [2021-11-21 05:49:58,845 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 42 treesize of output 25 [2021-11-21 05:50:02,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:02,630 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:02,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:02,776 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:02,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:02,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:02,819 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:02,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:02,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:02,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:02,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:02,883 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 [2021-11-21 05:50:02,902 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 27 treesize of output 15 [2021-11-21 05:50:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:03,180 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:03,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:03,335 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:03,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:03,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:03,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:03,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:03,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:03,433 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 [2021-11-21 05:50:03,455 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 27 treesize of output 15 [2021-11-21 05:50:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:03,723 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:03,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:03,868 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:03,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:03,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:03,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:03,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:03,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:03,969 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 [2021-11-21 05:50:03,987 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 27 treesize of output 15 [2021-11-21 05:50:04,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:04,227 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:04,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:04,375 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:04,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:04,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:04,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:04,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:04,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:04,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:04,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:04,463 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 [2021-11-21 05:50:04,480 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 27 treesize of output 15 [2021-11-21 05:50:04,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:04,758 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:04,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:04,903 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:04,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:04,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:04,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:04,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:04,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:05,002 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 [2021-11-21 05:50:05,025 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 27 treesize of output 15 [2021-11-21 05:50:05,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:05,286 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:05,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:05,397 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:05,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:05,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:05,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:05,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:50:05,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:05,477 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 [2021-11-21 05:50:05,500 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 27 treesize of output 15 [2021-11-21 05:50:09,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:09,378 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:09,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:09,467 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:50:09,467 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 32 treesize of output 16 [2021-11-21 05:50:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:09,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:09,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:09,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:50:09,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:09,540 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 [2021-11-21 05:50:09,557 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 27 treesize of output 15 [2021-11-21 05:50:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:14,962 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:50:14,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:50:15,046 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:50:15,046 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 32 treesize of output 16 [2021-11-21 05:50:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:15,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:15,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:15,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:15,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:15,144 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 [2021-11-21 05:50:15,159 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 27 treesize of output 15 [2021-11-21 05:50:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:15,435 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:15,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:15,622 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:15,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:15,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:15,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:15,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:15,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:15,742 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 [2021-11-21 05:50:15,765 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 27 treesize of output 15 [2021-11-21 05:50:16,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:16,116 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:16,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:16,303 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:16,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:16,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:16,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:16,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:16,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:16,386 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 [2021-11-21 05:50:16,405 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 27 treesize of output 15 [2021-11-21 05:50:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:16,672 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:16,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:16,814 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:16,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:16,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:16,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:16,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:16,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:16,908 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 [2021-11-21 05:50:16,924 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 27 treesize of output 15 [2021-11-21 05:50:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:17,191 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:17,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:17,352 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:17,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:17,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:17,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:17,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:17,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:17,437 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 [2021-11-21 05:50:17,458 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 27 treesize of output 15 [2021-11-21 05:50:17,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:17,719 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:17,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:17,858 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:17,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:17,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:17,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:17,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:50:17,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:17,941 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 [2021-11-21 05:50:17,956 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 27 treesize of output 15 [2021-11-21 05:50:23,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:23,466 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:50:23,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:50:23,540 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:50:23,541 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 32 treesize of output 16 [2021-11-21 05:50:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:23,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:23,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:23,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:23,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:23,641 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 [2021-11-21 05:50:23,663 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 27 treesize of output 15 [2021-11-21 05:50:23,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:24,001 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:24,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:24,155 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:24,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:24,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:24,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:24,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:50:24,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:24,249 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 [2021-11-21 05:50:24,270 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 27 treesize of output 15 [2021-11-21 05:50:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:28,003 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:28,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:28,124 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:28,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:28,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:28,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:28,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:28,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:28,204 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 [2021-11-21 05:50:28,224 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 27 treesize of output 15 [2021-11-21 05:50:28,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:28,490 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:28,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:28,650 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:28,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:28,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:28,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:28,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:28,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:50:28,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:28,751 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 [2021-11-21 05:50:28,774 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 27 treesize of output 15 [2021-11-21 05:50:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:32,552 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:32,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:32,716 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:32,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:32,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:32,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:32,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:32,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:32,811 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 [2021-11-21 05:50:32,835 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 27 treesize of output 15 [2021-11-21 05:50:33,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:33,092 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:33,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:33,241 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:33,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:33,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:33,282 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:33,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:33,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:33,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:50:33,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:33,347 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 [2021-11-21 05:50:33,377 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 27 treesize of output 15 [2021-11-21 05:50:37,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:37,237 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:37,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:37,405 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:37,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:37,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:37,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:37,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:50:37,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:37,488 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 [2021-11-21 05:50:37,505 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 27 treesize of output 15 [2021-11-21 05:50:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:41,402 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:41,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:41,508 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:50:41,508 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 32 treesize of output 16 [2021-11-21 05:50:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:41,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:41,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:41,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:50:41,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:41,607 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 [2021-11-21 05:50:41,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:50:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:45,670 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:45,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:45,775 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:50:45,775 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 32 treesize of output 16 [2021-11-21 05:50:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:45,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:45,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:45,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:45,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:45,860 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 [2021-11-21 05:50:45,874 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 27 treesize of output 15 [2021-11-21 05:50:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:46,138 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:46,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:46,296 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:46,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:46,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:46,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:46,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:50:46,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:46,396 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 [2021-11-21 05:50:46,424 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 27 treesize of output 15 [2021-11-21 05:50:50,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:50,172 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:50,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:50,324 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:50,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:50,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:50,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:50,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:50,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:50,417 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 [2021-11-21 05:50:50,434 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 27 treesize of output 15 [2021-11-21 05:50:50,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:50,680 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:50,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:50,807 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:50,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:50,844 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:50,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:50,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:50,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:50,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:50,884 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 [2021-11-21 05:50:50,901 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 27 treesize of output 15 [2021-11-21 05:50:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:51,134 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:51,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:51,279 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:51,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:51,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:51,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:51,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:51,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:51,366 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 [2021-11-21 05:50:51,379 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 27 treesize of output 15 [2021-11-21 05:50:51,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:51,626 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:51,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:51,779 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:51,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:51,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:51,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:51,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:51,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:51,863 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 [2021-11-21 05:50:51,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:50:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:52,134 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:52,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:52,291 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:52,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:52,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:52,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:52,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:50:52,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:52,378 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 [2021-11-21 05:50:52,398 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 27 treesize of output 15 [2021-11-21 05:50:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:56,186 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:56,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:56,295 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:50:56,296 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 32 treesize of output 16 [2021-11-21 05:50:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:56,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:56,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:56,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:56,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:56,380 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 [2021-11-21 05:50:56,395 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 27 treesize of output 15 [2021-11-21 05:50:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:56,646 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:56,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:56,807 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:56,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:56,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:56,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:56,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:56,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:56,902 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 [2021-11-21 05:50:56,924 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 27 treesize of output 15 [2021-11-21 05:50:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:57,186 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:57,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:57,344 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:57,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:57,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:57,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:57,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:57,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:50:57,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:57,440 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 [2021-11-21 05:50:57,457 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 27 treesize of output 15 [2021-11-21 05:50:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:50:57,714 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:50:57,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:50:57,840 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:50:57,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:50:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:50:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:50:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:50:57,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:57,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:57,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:50:57,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:50:57,911 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 [2021-11-21 05:50:57,929 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 27 treesize of output 15 [2021-11-21 05:51:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:01,669 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:01,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:01,829 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:01,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:01,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:01,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:01,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:01,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:51:01,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:01,903 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 [2021-11-21 05:51:01,916 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 27 treesize of output 15 [2021-11-21 05:51:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:05,405 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:05,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:05,525 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:05,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:05,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:05,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:05,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:05,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:51:05,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:05,607 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 [2021-11-21 05:51:05,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:51:09,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:09,225 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:09,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:09,354 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:09,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:09,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:09,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:09,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:09,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:09,440 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 [2021-11-21 05:51:09,471 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 27 treesize of output 15 [2021-11-21 05:51:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:09,724 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:09,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:09,881 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:09,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:09,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:09,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:09,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:09,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:09,975 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 [2021-11-21 05:51:09,995 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 27 treesize of output 15 [2021-11-21 05:51:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:10,287 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:10,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:10,407 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:10,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:10,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:10,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:10,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:10,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:10,498 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 [2021-11-21 05:51:10,523 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 27 treesize of output 15 [2021-11-21 05:51:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:10,778 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:10,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:10,932 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:10,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:10,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:10,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:11,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:51:11,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:11,050 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 [2021-11-21 05:51:11,078 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 27 treesize of output 15 [2021-11-21 05:51:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:16,669 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:51:16,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:51:16,761 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:51:16,762 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 32 treesize of output 16 [2021-11-21 05:51:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:16,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:16,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:16,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:16,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:16,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:16,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:16,840 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 [2021-11-21 05:51:16,858 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 27 treesize of output 15 [2021-11-21 05:51:17,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:17,115 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:17,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:17,276 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:17,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:17,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:17,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:17,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:17,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:51:17,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:17,384 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 [2021-11-21 05:51:17,407 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 42 treesize of output 25 [2021-11-21 05:51:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:21,224 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:21,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:21,383 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:21,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:21,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:21,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:21,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:51:21,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:21,473 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 [2021-11-21 05:51:21,488 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 27 treesize of output 15 [2021-11-21 05:51:25,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:25,215 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:25,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:25,326 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:51:25,326 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 32 treesize of output 16 [2021-11-21 05:51:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:25,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:25,362 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:25,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:25,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:25,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:25,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:25,406 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 [2021-11-21 05:51:25,421 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 27 treesize of output 15 [2021-11-21 05:51:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:25,698 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:25,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:25,868 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:25,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:25,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:25,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:25,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:25,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:25,978 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 [2021-11-21 05:51:25,997 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 27 treesize of output 15 [2021-11-21 05:51:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:26,363 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:26,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:26,562 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:26,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:26,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:26,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:26,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:26,665 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 [2021-11-21 05:51:26,692 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 27 treesize of output 15 [2021-11-21 05:51:26,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:26,971 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:26,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:27,097 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:27,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:27,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:27,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:27,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:27,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:27,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:27,191 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 [2021-11-21 05:51:27,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:51:27,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:27,534 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:27,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:27,705 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:27,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:27,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:27,747 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:27,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:27,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:27,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:27,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:51:27,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:27,797 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 [2021-11-21 05:51:27,831 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 27 treesize of output 15 [2021-11-21 05:51:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:31,733 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:31,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:31,894 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:31,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:31,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:31,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:31,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:32,009 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 [2021-11-21 05:51:32,033 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 27 treesize of output 15 [2021-11-21 05:51:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:32,392 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:32,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:32,593 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:32,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:32,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:32,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:32,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:51:32,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:32,677 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 [2021-11-21 05:51:32,699 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 27 treesize of output 15 [2021-11-21 05:51:36,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:36,420 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:36,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:36,579 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:36,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:36,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:36,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:36,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:51:36,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:36,664 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 [2021-11-21 05:51:36,688 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 27 treesize of output 15 [2021-11-21 05:51:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:40,616 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:40,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:40,722 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:51:40,723 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 32 treesize of output 16 [2021-11-21 05:51:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:40,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:40,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:40,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:51:40,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:40,823 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 [2021-11-21 05:51:40,842 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 27 treesize of output 15 [2021-11-21 05:51:41,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:41,170 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:41,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:41,333 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:41,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:41,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:41,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:41,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:41,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:51:41,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:41,409 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 [2021-11-21 05:51:41,427 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 27 treesize of output 15 [2021-11-21 05:51:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:45,232 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:45,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:45,368 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:45,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:45,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:45,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:45,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:51:45,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:45,443 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 [2021-11-21 05:51:45,461 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 42 treesize of output 25 [2021-11-21 05:51:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:49,079 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:49,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:49,243 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:49,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:49,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:49,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:49,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:51:49,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:49,327 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 [2021-11-21 05:51:49,357 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 27 treesize of output 15 [2021-11-21 05:51:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:55,094 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:55,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:55,209 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:51:55,210 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 32 treesize of output 16 [2021-11-21 05:51:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:55,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:55,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:55,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:51:55,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:55,295 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 [2021-11-21 05:51:55,315 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 27 treesize of output 15 [2021-11-21 05:51:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:51:58,923 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:51:58,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:51:59,103 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:51:59,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:51:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:59,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:51:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:51:59,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:51:59,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:59,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:59,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:51:59,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:51:59,188 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 [2021-11-21 05:51:59,213 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 27 treesize of output 15 [2021-11-21 05:52:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:03,072 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:03,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:03,180 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:52:03,180 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 32 treesize of output 16 [2021-11-21 05:52:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:03,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:03,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:03,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:52:03,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:03,258 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 [2021-11-21 05:52:03,274 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 27 treesize of output 15 [2021-11-21 05:52:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:07,088 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:07,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:07,257 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:07,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:07,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:07,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:07,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:07,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:07,344 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 [2021-11-21 05:52:07,362 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 27 treesize of output 15 [2021-11-21 05:52:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:07,613 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:07,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:07,787 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:07,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:07,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:07,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:07,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:07,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:52:07,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:07,879 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 [2021-11-21 05:52:07,900 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 27 treesize of output 15 [2021-11-21 05:52:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:11,590 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:11,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:11,761 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:11,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:11,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:11,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:11,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:11,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:11,853 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 [2021-11-21 05:52:11,872 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 27 treesize of output 15 [2021-11-21 05:52:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:12,120 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:12,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:12,289 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:12,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:12,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:12,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:12,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:12,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:12,377 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 [2021-11-21 05:52:12,395 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 27 treesize of output 15 [2021-11-21 05:52:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:12,615 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:12,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:12,751 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:12,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:12,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:12,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:12,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:52:12,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:12,832 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 [2021-11-21 05:52:12,849 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 27 treesize of output 15 [2021-11-21 05:52:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:16,543 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:16,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:16,706 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:16,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:16,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:16,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:16,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:52:16,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:16,799 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 [2021-11-21 05:52:16,827 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 27 treesize of output 15 [2021-11-21 05:52:20,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:20,765 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:20,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:20,874 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:52:20,874 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 32 treesize of output 16 [2021-11-21 05:52:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:20,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:20,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:20,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:20,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:20,970 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 [2021-11-21 05:52:20,988 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 27 treesize of output 15 [2021-11-21 05:52:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:21,253 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:21,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:21,436 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:21,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:21,476 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:21,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:21,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:21,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:52:21,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:21,538 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 [2021-11-21 05:52:21,558 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 42 treesize of output 25 [2021-11-21 05:52:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:25,343 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:25,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:25,514 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:25,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:25,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:25,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:25,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:52:25,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:25,611 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 [2021-11-21 05:52:25,640 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 27 treesize of output 15 [2021-11-21 05:52:29,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:29,456 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:29,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:29,629 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:29,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:29,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:29,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:29,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:52:29,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:29,754 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 [2021-11-21 05:52:29,785 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 27 treesize of output 15 [2021-11-21 05:52:33,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:33,746 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:33,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:33,914 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:33,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:33,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:33,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:33,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:52:33,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:34,007 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 [2021-11-21 05:52:34,026 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 27 treesize of output 15 [2021-11-21 05:52:37,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:37,831 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:37,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:38,000 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:38,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:38,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:38,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:38,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:38,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:38,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:38,096 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 [2021-11-21 05:52:38,114 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 27 treesize of output 15 [2021-11-21 05:52:38,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:38,352 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:38,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:38,478 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:38,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:38,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:38,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:38,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:38,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:38,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:38,561 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 [2021-11-21 05:52:38,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:52:38,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:38,867 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:38,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:39,040 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:39,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:39,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:39,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:39,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:39,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:39,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:39,122 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 [2021-11-21 05:52:39,142 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 27 treesize of output 15 [2021-11-21 05:52:39,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:39,402 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:39,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:39,576 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:39,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:39,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:39,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:39,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:52:39,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:39,667 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 [2021-11-21 05:52:39,685 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 27 treesize of output 15 [2021-11-21 05:52:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:43,530 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:43,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:43,646 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:52:43,646 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 32 treesize of output 16 [2021-11-21 05:52:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:43,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:43,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:43,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:43,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:43,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:43,747 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 [2021-11-21 05:52:43,770 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 27 treesize of output 15 [2021-11-21 05:52:44,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:44,026 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:44,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:44,201 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:44,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:44,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:44,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:44,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:52:44,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:44,309 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 [2021-11-21 05:52:44,332 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 27 treesize of output 15 [2021-11-21 05:52:48,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:48,130 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:48,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:48,298 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:48,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:48,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:48,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:48,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:52:48,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:48,385 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 [2021-11-21 05:52:48,400 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 27 treesize of output 15 [2021-11-21 05:52:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:52,163 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:52,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:52,278 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:52:52,278 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 32 treesize of output 16 [2021-11-21 05:52:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:52,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:52,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:52,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:52,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:52,371 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 [2021-11-21 05:52:52,393 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 27 treesize of output 15 [2021-11-21 05:52:52,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:52,731 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:52,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:52,922 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:52,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:52,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:52,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:53,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:52:53,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:53,021 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 [2021-11-21 05:52:53,036 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 27 treesize of output 15 [2021-11-21 05:52:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:53,314 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:53,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:53,488 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:53,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:53,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:53,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:53,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:52:53,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:53,589 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 [2021-11-21 05:52:53,612 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 42 treesize of output 25 [2021-11-21 05:52:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:52:57,447 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:52:57,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:52:57,624 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:52:57,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:52:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:52:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:52:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:52:57,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 05:52:57,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:52:57,743 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 [2021-11-21 05:52:57,783 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 42 treesize of output 25 [2021-11-21 05:53:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:03,573 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:53:03,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:53:03,647 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:53:03,648 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 32 treesize of output 16 [2021-11-21 05:53:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:03,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:03,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:03,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:03,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:03,720 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 [2021-11-21 05:53:03,736 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 27 treesize of output 15 [2021-11-21 05:53:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:03,995 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:03,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:04,171 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:04,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:04,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:04,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:04,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:04,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:04,251 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 [2021-11-21 05:53:04,269 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 27 treesize of output 15 [2021-11-21 05:53:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:04,550 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:04,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:04,725 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:04,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:04,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:04,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:04,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:04,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:04,811 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 [2021-11-21 05:53:04,829 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 27 treesize of output 15 [2021-11-21 05:53:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:05,100 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:05,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:05,266 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:05,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:05,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:05,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:05,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:53:05,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:05,350 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 [2021-11-21 05:53:05,369 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 27 treesize of output 15 [2021-11-21 05:53:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:09,151 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:09,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:09,335 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:09,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:09,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:09,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:09,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:09,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:53:09,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:09,422 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 [2021-11-21 05:53:09,435 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 27 treesize of output 15 [2021-11-21 05:53:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:13,214 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:13,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:13,350 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:13,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:13,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:13,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:13,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:53:13,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:13,451 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 [2021-11-21 05:53:13,484 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 27 treesize of output 15 [2021-11-21 05:53:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:17,447 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:17,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:17,567 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:53:17,567 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 32 treesize of output 16 [2021-11-21 05:53:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:17,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:17,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:17,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:53:17,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:17,653 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 [2021-11-21 05:53:17,681 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 27 treesize of output 15 [2021-11-21 05:53:23,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:23,239 INFO L354 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2021-11-21 05:53:23,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 80 [2021-11-21 05:53:23,325 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:53:23,325 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 32 treesize of output 16 [2021-11-21 05:53:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:23,364 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:23,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:23,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:23,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:23,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:23,425 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 [2021-11-21 05:53:23,447 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 27 treesize of output 15 [2021-11-21 05:53:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:23,756 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:23,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:23,913 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:23,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:23,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:23,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:23,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:23,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:23,982 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 [2021-11-21 05:53:23,995 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 27 treesize of output 15 [2021-11-21 05:53:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:24,277 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:24,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:24,514 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:24,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:24,570 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:24,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:24,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:24,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:24,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:24,626 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 [2021-11-21 05:53:24,644 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 27 treesize of output 15 [2021-11-21 05:53:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:24,938 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:24,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:25,125 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:25,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:25,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:25,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:25,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:25,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:25,220 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 [2021-11-21 05:53:25,237 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 27 treesize of output 15 [2021-11-21 05:53:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:25,441 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:25,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:25,590 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:25,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:25,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:25,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:25,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:25,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:25,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:25,672 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 [2021-11-21 05:53:25,688 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 27 treesize of output 15 [2021-11-21 05:53:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:25,958 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:25,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:26,135 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:26,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:26,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:26,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:26,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:53:26,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:26,214 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 [2021-11-21 05:53:26,234 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 27 treesize of output 15 [2021-11-21 05:53:29,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:29,895 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:29,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:30,034 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:30,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:30,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:30,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:30,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:30,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:30,121 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 [2021-11-21 05:53:30,139 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 27 treesize of output 15 [2021-11-21 05:53:30,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:30,429 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:30,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:30,605 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:30,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:30,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:30,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:30,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:30,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:30,688 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 [2021-11-21 05:53:30,706 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 27 treesize of output 15 [2021-11-21 05:53:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:30,971 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:30,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:31,139 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:31,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:31,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:31,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:31,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:31,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:31,214 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 [2021-11-21 05:53:31,229 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 27 treesize of output 15 [2021-11-21 05:53:31,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:31,484 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:31,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:31,667 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:31,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:31,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:31,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:31,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:31,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:31,775 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 [2021-11-21 05:53:31,794 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 27 treesize of output 15 [2021-11-21 05:53:32,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:32,104 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:32,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:32,301 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:32,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:32,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:32,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:32,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:32,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:32,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:32,385 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 [2021-11-21 05:53:32,397 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 27 treesize of output 15 [2021-11-21 05:53:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:32,647 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:32,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:32,783 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:32,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:32,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:32,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:32,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:32,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:32,867 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 [2021-11-21 05:53:32,887 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 27 treesize of output 15 [2021-11-21 05:53:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:33,199 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:33,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:33,376 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:33,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:33,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:33,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:33,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:33,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:33,486 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 [2021-11-21 05:53:33,503 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 27 treesize of output 15 [2021-11-21 05:53:33,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:33,780 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:33,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:33,967 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:33,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:34,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:34,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:34,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:34,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:34,044 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 [2021-11-21 05:53:34,064 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 27 treesize of output 15 [2021-11-21 05:53:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:34,277 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:34,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:34,413 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:34,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:34,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:34,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:34,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:53:34,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:34,500 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 [2021-11-21 05:53:34,514 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 27 treesize of output 15 [2021-11-21 05:53:38,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:38,310 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:38,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:38,445 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:38,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:38,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:38,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:38,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:38,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:53:38,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:38,512 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 [2021-11-21 05:53:38,532 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 42 treesize of output 25 [2021-11-21 05:53:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:42,309 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:42,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:42,491 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:42,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:42,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:42,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:42,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:53:42,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:42,580 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 [2021-11-21 05:53:42,603 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 27 treesize of output 15 [2021-11-21 05:53:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:48,367 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:48,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:48,486 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:53:48,486 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 32 treesize of output 16 [2021-11-21 05:53:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:48,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:48,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:48,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:48,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:53:48,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:48,566 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 [2021-11-21 05:53:48,588 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 27 treesize of output 15 [2021-11-21 05:53:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:52,537 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:52,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:52,625 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:53:52,625 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 32 treesize of output 16 [2021-11-21 05:53:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:52,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:52,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:52,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:52,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:52,711 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 [2021-11-21 05:53:52,727 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 27 treesize of output 15 [2021-11-21 05:53:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:52,996 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:52,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:53,190 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:53,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:53,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:53,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:53,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:53,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:53,298 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 [2021-11-21 05:53:53,321 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 27 treesize of output 15 [2021-11-21 05:53:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:53,700 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:53,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:53,913 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:53,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:53,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:53,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:53,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:53:53,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:54,016 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 [2021-11-21 05:53:54,036 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 27 treesize of output 15 [2021-11-21 05:53:54,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:54,302 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:54,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:54,494 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:53:54,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:53:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:54,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:54,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:54,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:53:54,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:54,573 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 [2021-11-21 05:53:54,606 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 27 treesize of output 15 [2021-11-21 05:53:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:53:58,743 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:53:58,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:53:58,858 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:53:58,858 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 32 treesize of output 16 [2021-11-21 05:53:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:58,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:53:58,890 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:53:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:58,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:58,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:58,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:53:58,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:53:58,940 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 [2021-11-21 05:53:58,960 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 27 treesize of output 15 [2021-11-21 05:54:02,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:02,745 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:02,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:02,933 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:02,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:02,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:02,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:03,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:03,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:03,031 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 [2021-11-21 05:54:03,053 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 27 treesize of output 15 [2021-11-21 05:54:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:06,848 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:06,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:07,035 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:07,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:07,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:07,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:07,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:07,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:07,120 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 [2021-11-21 05:54:07,136 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 27 treesize of output 15 [2021-11-21 05:54:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:07,415 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:07,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:07,608 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:07,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:07,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:07,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:07,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:07,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:07,702 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 [2021-11-21 05:54:07,719 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 27 treesize of output 15 [2021-11-21 05:54:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:11,666 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:11,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:11,788 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:54:11,789 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 32 treesize of output 16 [2021-11-21 05:54:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:11,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:11,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:11,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:11,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:11,867 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 [2021-11-21 05:54:11,889 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 27 treesize of output 15 [2021-11-21 05:54:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:15,855 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:15,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:16,019 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:16,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:16,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:16,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:16,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:16,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:16,090 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 [2021-11-21 05:54:16,109 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 27 treesize of output 15 [2021-11-21 05:54:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:19,872 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:19,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:19,989 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:54:19,989 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 32 treesize of output 16 [2021-11-21 05:54:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:20,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:20,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:20,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:20,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:20,071 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 [2021-11-21 05:54:20,088 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 27 treesize of output 15 [2021-11-21 05:54:23,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:23,951 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:23,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:24,068 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:54:24,068 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 32 treesize of output 16 [2021-11-21 05:54:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:24,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:24,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:24,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:24,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:24,144 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 [2021-11-21 05:54:24,163 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 27 treesize of output 15 [2021-11-21 05:54:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:28,154 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:28,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:28,275 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:54:28,276 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 32 treesize of output 16 [2021-11-21 05:54:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:28,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:28,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:28,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:54:28,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:28,356 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 [2021-11-21 05:54:28,380 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 27 treesize of output 15 [2021-11-21 05:54:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:32,335 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:32,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:32,526 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:32,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:32,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:32,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:32,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:32,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:32,612 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 [2021-11-21 05:54:32,632 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 42 treesize of output 25 [2021-11-21 05:54:36,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:36,495 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:36,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:36,689 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:36,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:36,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:36,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:36,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:36,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:36,768 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 [2021-11-21 05:54:36,789 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 27 treesize of output 15 [2021-11-21 05:54:40,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:40,730 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:40,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:40,938 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:40,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:40,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:40,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:41,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:41,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:41,026 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 [2021-11-21 05:54:41,045 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 27 treesize of output 15 [2021-11-21 05:54:41,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:41,331 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:41,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:41,524 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:41,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:41,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:41,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:41,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:41,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:41,615 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 [2021-11-21 05:54:41,635 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 27 treesize of output 15 [2021-11-21 05:54:41,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:41,930 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:41,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:42,127 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:42,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:42,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:42,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:42,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:42,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:42,209 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 [2021-11-21 05:54:42,228 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 27 treesize of output 15 [2021-11-21 05:54:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:42,513 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:42,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:42,714 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:42,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:42,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:42,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:42,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:42,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:42,815 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 [2021-11-21 05:54:42,842 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 27 treesize of output 15 [2021-11-21 05:54:46,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:46,848 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:46,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:47,053 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:47,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:47,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:47,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:47,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:47,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:47,135 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 [2021-11-21 05:54:47,153 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 27 treesize of output 15 [2021-11-21 05:54:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:47,421 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:47,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:47,619 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:47,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:47,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:47,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:47,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:47,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:47,708 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 [2021-11-21 05:54:47,726 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 27 treesize of output 15 [2021-11-21 05:54:47,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:47,971 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:47,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:48,132 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:48,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:48,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:48,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:48,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:48,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:48,211 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 [2021-11-21 05:54:48,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:54:48,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:48,511 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:48,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:48,703 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:48,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:48,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:48,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:48,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:54:48,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:48,798 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 [2021-11-21 05:54:48,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:54:49,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:49,097 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:49,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:49,288 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:49,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:49,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:49,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:49,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:49,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:49,381 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 [2021-11-21 05:54:49,399 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 27 treesize of output 15 [2021-11-21 05:54:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:53,388 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:53,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:53,522 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:54:53,522 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 32 treesize of output 16 [2021-11-21 05:54:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:53,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:53,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:53,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:54:53,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:53,603 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 [2021-11-21 05:54:53,625 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 27 treesize of output 15 [2021-11-21 05:54:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:54:57,452 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:54:57,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:54:57,652 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:54:57,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:54:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:57,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:54:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:54:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:54:57,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:57,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:57,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:54:57,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:54:57,738 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 [2021-11-21 05:54:57,757 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 27 treesize of output 15 [2021-11-21 05:55:01,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:01,808 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:01,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:01,931 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:01,932 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 32 treesize of output 16 [2021-11-21 05:55:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:01,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:01,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:01,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:55:01,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:02,005 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 [2021-11-21 05:55:02,024 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 27 treesize of output 15 [2021-11-21 05:55:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:02,309 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:02,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:02,511 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:02,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:02,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:02,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:02,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:55:02,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:02,592 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 [2021-11-21 05:55:02,616 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 27 treesize of output 15 [2021-11-21 05:55:06,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:06,637 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:06,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:06,763 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:06,764 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 32 treesize of output 16 [2021-11-21 05:55:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:06,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:06,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:06,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:06,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:55:06,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:06,841 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 [2021-11-21 05:55:06,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:55:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:07,141 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:07,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:07,346 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:07,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:07,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:07,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:07,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:55:07,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:07,425 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 [2021-11-21 05:55:07,445 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 42 treesize of output 25 [2021-11-21 05:55:11,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:11,325 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:11,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:11,520 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:11,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:11,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:11,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:11,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:55:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:11,609 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 [2021-11-21 05:55:11,625 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 27 treesize of output 15 [2021-11-21 05:55:11,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:11,902 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:11,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:12,100 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:12,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:12,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:12,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:12,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:55:12,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:12,203 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 [2021-11-21 05:55:12,236 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 27 treesize of output 15 [2021-11-21 05:55:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:16,005 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:16,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:16,177 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:16,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:16,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:16,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:16,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:55:16,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:16,253 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 [2021-11-21 05:55:16,270 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 27 treesize of output 15 [2021-11-21 05:55:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:20,182 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:20,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:20,392 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:20,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:20,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:20,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:20,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:55:20,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:20,487 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 [2021-11-21 05:55:20,508 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 27 treesize of output 15 [2021-11-21 05:55:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:24,531 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:24,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:24,658 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:24,659 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 32 treesize of output 16 [2021-11-21 05:55:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:24,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:24,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:24,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:24,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:55:24,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:24,747 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 [2021-11-21 05:55:24,764 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 27 treesize of output 15 [2021-11-21 05:55:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:25,049 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:25,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:25,244 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:25,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:25,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:25,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:25,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:55:25,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:25,315 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 [2021-11-21 05:55:25,329 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 27 treesize of output 15 [2021-11-21 05:55:25,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:25,564 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:25,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:25,765 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:25,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:25,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:25,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:25,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:55:25,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:25,853 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 [2021-11-21 05:55:25,870 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 27 treesize of output 15 [2021-11-21 05:55:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:26,151 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:26,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:26,350 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:26,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:26,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:26,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:26,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:55:26,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:26,458 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 [2021-11-21 05:55:26,480 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 42 treesize of output 25 [2021-11-21 05:55:32,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:32,380 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:32,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:32,471 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:32,472 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 32 treesize of output 16 [2021-11-21 05:55:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:32,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:32,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:32,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:32,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:55:32,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:32,539 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 [2021-11-21 05:55:32,555 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 27 treesize of output 15 [2021-11-21 05:55:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:36,564 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:36,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:36,764 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:36,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:36,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:36,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:36,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:55:36,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:36,864 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 [2021-11-21 05:55:36,892 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 27 treesize of output 15 [2021-11-21 05:55:42,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:43,000 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:43,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:43,133 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:43,133 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 32 treesize of output 16 [2021-11-21 05:55:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:43,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:43,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:43,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:55:43,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:43,241 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 [2021-11-21 05:55:43,274 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 27 treesize of output 15 [2021-11-21 05:55:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:47,403 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:47,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:47,528 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:47,528 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 32 treesize of output 16 [2021-11-21 05:55:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:47,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:47,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:47,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:47,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:55:47,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:47,602 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 [2021-11-21 05:55:47,622 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 27 treesize of output 15 [2021-11-21 05:55:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:47,904 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:47,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:48,108 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:55:48,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:55:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:48,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:48,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:48,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:55:48,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:48,191 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 [2021-11-21 05:55:48,215 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 27 treesize of output 15 [2021-11-21 05:55:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:52,112 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:52,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:52,206 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:52,206 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 32 treesize of output 16 [2021-11-21 05:55:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:52,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:52,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:52,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:52,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:55:52,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:52,275 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 [2021-11-21 05:55:52,290 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 27 treesize of output 15 [2021-11-21 05:55:56,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:55:56,239 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:55:56,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:55:56,364 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:55:56,365 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 32 treesize of output 16 [2021-11-21 05:55:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:55:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:55:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:55:56,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:56,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:56,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:55:56,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:56,443 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 [2021-11-21 05:55:56,469 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 27 treesize of output 15 [2021-11-21 05:56:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:00,357 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:00,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:00,493 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:56:00,493 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 32 treesize of output 16 [2021-11-21 05:56:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:00,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:00,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:00,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:56:00,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:00,596 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 [2021-11-21 05:56:00,617 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 27 treesize of output 15 [2021-11-21 05:56:00,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:00,867 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:00,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:01,028 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:01,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:01,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:01,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:01,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:56:01,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:01,103 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 [2021-11-21 05:56:01,124 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 27 treesize of output 15 [2021-11-21 05:56:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:05,029 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:05,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:05,233 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:05,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:05,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:05,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:05,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:05,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:05,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:05,318 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 [2021-11-21 05:56:05,343 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 42 treesize of output 25 [2021-11-21 05:56:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:09,189 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:09,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:09,369 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:09,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:09,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:09,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:09,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:09,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:09,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:56:09,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:09,445 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 [2021-11-21 05:56:09,469 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 27 treesize of output 15 [2021-11-21 05:56:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:13,440 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:13,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:13,654 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:13,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:13,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:13,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:13,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:13,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:13,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:13,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:13,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:13,751 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 [2021-11-21 05:56:13,773 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 27 treesize of output 15 [2021-11-21 05:56:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:17,887 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:17,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:18,011 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:56:18,011 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 32 treesize of output 16 [2021-11-21 05:56:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:18,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:18,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:18,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:56:18,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:18,091 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 [2021-11-21 05:56:18,107 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 27 treesize of output 15 [2021-11-21 05:56:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:18,405 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:18,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:18,611 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:18,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:18,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:18,651 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:18,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:18,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:18,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:18,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:18,700 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 [2021-11-21 05:56:18,731 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 27 treesize of output 15 [2021-11-21 05:56:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:22,695 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:22,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:22,901 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:22,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:22,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:22,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:22,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:56:22,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:22,984 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 [2021-11-21 05:56:23,002 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 27 treesize of output 15 [2021-11-21 05:56:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:26,957 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:26,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:27,131 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:27,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:27,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:27,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:27,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:56:27,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:27,200 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 [2021-11-21 05:56:27,217 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 27 treesize of output 15 [2021-11-21 05:56:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:30,970 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:30,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:31,195 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:31,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:31,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:31,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:31,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:31,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:31,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:31,287 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 [2021-11-21 05:56:31,317 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 42 treesize of output 25 [2021-11-21 05:56:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:35,195 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:35,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:35,412 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:35,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:35,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:35,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:35,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:35,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:35,497 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 [2021-11-21 05:56:35,518 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 27 treesize of output 15 [2021-11-21 05:56:39,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:39,362 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:39,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:39,545 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:39,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:39,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:39,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:39,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:39,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:39,636 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 [2021-11-21 05:56:39,651 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 27 treesize of output 15 [2021-11-21 05:56:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:43,707 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:43,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:43,818 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:56:43,818 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 32 treesize of output 16 [2021-11-21 05:56:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:43,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:43,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:43,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:56:43,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:43,891 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 [2021-11-21 05:56:43,904 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 27 treesize of output 15 [2021-11-21 05:56:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:44,191 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:44,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:44,404 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:44,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:44,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:44,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:44,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:44,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:44,490 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 [2021-11-21 05:56:44,518 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 27 treesize of output 15 [2021-11-21 05:56:48,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:48,546 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:48,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:48,760 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:48,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:48,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:48,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:48,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:56:48,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:48,838 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 [2021-11-21 05:56:48,869 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 27 treesize of output 15 [2021-11-21 05:56:49,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:49,164 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:49,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:49,382 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:49,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:49,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:49,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:49,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:56:49,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:49,466 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 [2021-11-21 05:56:49,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:56:49,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:49,718 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:49,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:49,931 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:49,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:49,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:49,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:49,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:50,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:50,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:50,020 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 [2021-11-21 05:56:50,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:56:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:53,990 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:53,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:54,206 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:54,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:54,247 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:54,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:54,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:54,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:56:54,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:54,300 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 [2021-11-21 05:56:54,320 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 42 treesize of output 25 [2021-11-21 05:56:58,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:56:58,228 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:56:58,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:56:58,443 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:56:58,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:56:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:56:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:56:58,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:56:58,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:58,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:58,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:56:58,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:56:58,540 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 [2021-11-21 05:56:58,562 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 27 treesize of output 15 [2021-11-21 05:57:04,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:04,478 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:04,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:04,610 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:57:04,610 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 32 treesize of output 16 [2021-11-21 05:57:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:04,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:04,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:04,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:04,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:04,692 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 [2021-11-21 05:57:04,716 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 27 treesize of output 15 [2021-11-21 05:57:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:08,671 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:08,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:08,804 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:57:08,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-21 05:57:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:08,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:08,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:08,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:08,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:08,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:08,882 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 [2021-11-21 05:57:08,898 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 27 treesize of output 15 [2021-11-21 05:57:09,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:09,276 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:09,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:09,492 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:09,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:09,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:09,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:09,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:09,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:09,575 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 [2021-11-21 05:57:09,593 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 27 treesize of output 15 [2021-11-21 05:57:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:09,887 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:09,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:10,109 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:10,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:10,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:10,150 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:10,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:10,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:10,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:10,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:10,194 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 [2021-11-21 05:57:10,208 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 27 treesize of output 15 [2021-11-21 05:57:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:10,489 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:10,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:10,675 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:10,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:10,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:10,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:10,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:10,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:10,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:10,766 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 [2021-11-21 05:57:10,782 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 27 treesize of output 15 [2021-11-21 05:57:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:11,033 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:11,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:11,230 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:11,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:11,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:11,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:11,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:11,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:11,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:11,319 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 [2021-11-21 05:57:11,335 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 27 treesize of output 15 [2021-11-21 05:57:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:11,637 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:11,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:11,856 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:11,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:11,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:11,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:11,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:11,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:11,944 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 [2021-11-21 05:57:11,970 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 27 treesize of output 15 [2021-11-21 05:57:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:16,070 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:16,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:16,205 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:57:16,205 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 32 treesize of output 16 [2021-11-21 05:57:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:16,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:16,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:16,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:57:16,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:16,285 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 [2021-11-21 05:57:16,309 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 27 treesize of output 15 [2021-11-21 05:57:22,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:22,160 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:22,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:22,303 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:57:22,303 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 32 treesize of output 16 [2021-11-21 05:57:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:22,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:22,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:22,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:22,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:22,389 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 [2021-11-21 05:57:22,404 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 27 treesize of output 15 [2021-11-21 05:57:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:22,693 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:22,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:22,912 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:22,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:22,951 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:22,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:22,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:22,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:22,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:22,996 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 [2021-11-21 05:57:23,008 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 27 treesize of output 15 [2021-11-21 05:57:23,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:23,298 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:23,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:23,520 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:23,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:23,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:23,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:23,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:23,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:23,603 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 [2021-11-21 05:57:23,624 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 27 treesize of output 15 [2021-11-21 05:57:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:23,919 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:23,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:24,138 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:24,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:24,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:24,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:24,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:24,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:24,214 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 [2021-11-21 05:57:24,237 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 27 treesize of output 15 [2021-11-21 05:57:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:28,306 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:28,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:28,439 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:57:28,439 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 32 treesize of output 16 [2021-11-21 05:57:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:28,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:28,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:28,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:28,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:28,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:28,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:28,516 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 [2021-11-21 05:57:28,537 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 27 treesize of output 15 [2021-11-21 05:57:28,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:28,826 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:28,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:29,070 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:29,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:29,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:29,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:29,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:29,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:29,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:29,160 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 [2021-11-21 05:57:29,175 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 27 treesize of output 15 [2021-11-21 05:57:33,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:33,299 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:33,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:33,410 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:57:33,411 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 32 treesize of output 16 [2021-11-21 05:57:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:33,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:33,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:33,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:33,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:33,488 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 [2021-11-21 05:57:33,505 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 27 treesize of output 15 [2021-11-21 05:57:33,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:33,796 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:33,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:34,015 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:34,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:34,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:34,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:34,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:34,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:34,115 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 [2021-11-21 05:57:34,141 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 27 treesize of output 15 [2021-11-21 05:57:38,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:38,164 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:38,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:38,298 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:57:38,298 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 32 treesize of output 16 [2021-11-21 05:57:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:38,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:38,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:38,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:38,373 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 [2021-11-21 05:57:38,396 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 42 treesize of output 25 [2021-11-21 05:57:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:42,406 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:42,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:42,627 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:42,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:42,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:42,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:42,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:42,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:42,706 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 [2021-11-21 05:57:42,732 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 27 treesize of output 15 [2021-11-21 05:57:46,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:46,594 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:46,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:46,811 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:46,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:46,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:46,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:46,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:46,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:46,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:46,891 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 [2021-11-21 05:57:46,910 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 27 treesize of output 15 [2021-11-21 05:57:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:47,205 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:47,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:47,432 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:47,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:47,472 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:47,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:47,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:47,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:57:47,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:47,515 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 [2021-11-21 05:57:47,533 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 27 treesize of output 15 [2021-11-21 05:57:51,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:51,302 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:51,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:51,519 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:51,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:51,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:51,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:51,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:51,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:51,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:51,602 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 [2021-11-21 05:57:51,623 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 27 treesize of output 15 [2021-11-21 05:57:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:51,901 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:51,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:52,130 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:52,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:52,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:52,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:52,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:52,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:52,215 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 [2021-11-21 05:57:52,232 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 27 treesize of output 15 [2021-11-21 05:57:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:52,532 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:52,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:52,752 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:52,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:52,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:52,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:52,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:52,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 05:57:52,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:52,835 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 [2021-11-21 05:57:52,851 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 27 treesize of output 15 [2021-11-21 05:57:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:53,151 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:53,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:53,343 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:53,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:53,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:53,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:53,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:57:53,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:53,424 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 [2021-11-21 05:57:53,440 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 42 treesize of output 25 [2021-11-21 05:57:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:57:57,185 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:57:57,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:57:57,412 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:57:57,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:57:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:57:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:57:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:57:57,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:57,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:57,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:57:57,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:57:57,505 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 [2021-11-21 05:57:57,536 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 27 treesize of output 15 [2021-11-21 05:58:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:58:01,401 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:58:01,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:58:01,631 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:58:01,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:58:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:58:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:58:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:58:01,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:01,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:01,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 05:58:01,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:58:01,710 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 [2021-11-21 05:58:01,732 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 27 treesize of output 15 [2021-11-21 05:58:05,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:58:05,760 INFO L354 Elim1Store]: treesize reduction 72, result has 4.0 percent of original size [2021-11-21 05:58:05,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 69 [2021-11-21 05:58:05,994 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-21 05:58:05,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 05:58:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 38 states and 88 transitions. [2021-11-21 05:58:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 88 transitions. [2021-11-21 05:58:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:58:06,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:06,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:06,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:58:06,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:58:06,076 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 [2021-11-21 05:58:06,094 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 27 treesize of output 15