./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array12_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array12_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e --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 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:39,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:39,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:39,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:39,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:39,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:39,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:39,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:39,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:39,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:39,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:39,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:39,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:39,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:39,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:39,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:39,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:39,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:39,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:39,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:39,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:39,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:39,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:39,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:39,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:39,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:39,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:39,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:39,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:39,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:39,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:39,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:39,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:39,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:39,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:39,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:39,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:39,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:39,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:39,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:39,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:39,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:58:39,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:39,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:39,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:39,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:39,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:39,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:39,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:39,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:58:39,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:39,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:58:39,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:39,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:39,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:39,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:39,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:58:39,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:39,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:39,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:39,318 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:39,319 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:39,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:39,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:39,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:39,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:39,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:39,323 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:39,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:39,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:39,324 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_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b [2021-11-13 21:58:39,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:39,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:39,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:39,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:39,665 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:39,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array12_pattern.c [2021-11-13 21:58:39,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/data/715f7e777/163e8ed83cb049418189c65001efdeb0/FLAG8c3cfeaeb [2021-11-13 21:58:40,314 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:40,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/sv-benchmarks/c/array-patterns/array12_pattern.c [2021-11-13 21:58:40,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/data/715f7e777/163e8ed83cb049418189c65001efdeb0/FLAG8c3cfeaeb [2021-11-13 21:58:40,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/data/715f7e777/163e8ed83cb049418189c65001efdeb0 [2021-11-13 21:58:40,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:40,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:40,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:40,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:40,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:40,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:40" (1/1) ... [2021-11-13 21:58:40,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a60da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:40, skipping insertion in model container [2021-11-13 21:58:40,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:40" (1/1) ... [2021-11-13 21:58:40,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:40,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:40,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2021-11-13 21:58:40,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:40,975 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:40,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2021-11-13 21:58:41,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:41,042 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:41,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41 WrapperNode [2021-11-13 21:58:41,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:41,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:41,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:41,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:41,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:41,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:41,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:41,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:41,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:41,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:41,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:41,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:41,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:41,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:41,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:41,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315ab64-7570-4190-8e47-8e291ea4860e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:58:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:58:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:58:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:58:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:58:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:58:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:58:41,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:41,640 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 21:58:41,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:41 BoogieIcfgContainer [2021-11-13 21:58:41,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:41,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:41,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:41,663 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:41,664 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:41" (1/1) ... [2021-11-13 21:58:41,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:41,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-13 21:58:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-13 21:58:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:58:41,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:41,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:58:41,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-13 21:58:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-13 21:58:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:58:41,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:41,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 21:58:42,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-13 21:58:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-13 21:58:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:58:42,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:42,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-13 21:58:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-13 21:58:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:58:42,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:42,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-13 21:58:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-13 21:58:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:58:42,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:42,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:43,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-13 21:58:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-13 21:58:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:43,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:43,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:43,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:58:43,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:43,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:43,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:58:44,111 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:58:44,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:58:44,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:44,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:58:44,645 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:58:44,646 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 58 treesize of output 38 [2021-11-13 21:58:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 82 transitions. [2021-11-13 21:58:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2021-11-13 21:58:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:47,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:58:47,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:47,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:58:47,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:48,488 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:58:48,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:58:48,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:58:49,131 INFO L354 Elim1Store]: treesize reduction 15, result has 16.7 percent of original size [2021-11-13 21:58:49,131 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 57 treesize of output 38 [2021-11-13 21:58:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 55 states and 124 transitions. [2021-11-13 21:58:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 124 transitions. [2021-11-13 21:58:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:52,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:52,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:52,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:58:52,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:52,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:58:52,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:52,696 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:58:52,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:58:52,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:52,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:58:53,003 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:58:53,004 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 58 treesize of output 38 [2021-11-13 21:58:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 57 states and 130 transitions. [2021-11-13 21:58:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 130 transitions. [2021-11-13 21:58:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:53,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:53,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:53,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:58:53,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:53,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:58:53,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:58:54,191 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:58:54,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:58:54,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:58:54,503 INFO L354 Elim1Store]: treesize reduction 15, result has 16.7 percent of original size [2021-11-13 21:58:54,504 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 57 treesize of output 38 [2021-11-13 21:58:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 59 states and 136 transitions. [2021-11-13 21:58:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 136 transitions. [2021-11-13 21:58:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:54,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:54,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:54,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:58:54,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:55,850 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:58:55,851 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:58:55,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:55,886 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:58:55,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:58:55,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:55,931 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:58:55,931 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:58:55,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:56,179 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:58:56,180 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 58 treesize of output 38 [2021-11-13 21:58:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 142 transitions. [2021-11-13 21:58:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 142 transitions. [2021-11-13 21:58:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:57,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:57,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:57,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:58:57,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:57,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:57,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:58:57,642 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:58:57,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:58:57,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:57,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:58:57,984 INFO L354 Elim1Store]: treesize reduction 15, result has 16.7 percent of original size [2021-11-13 21:58:57,985 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 57 treesize of output 38 [2021-11-13 21:58:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 148 transitions. [2021-11-13 21:58:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2021-11-13 21:58:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:58,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:58,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:58,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:58:58,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:58,354 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:58:58,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:58:58,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:58,389 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:58:58,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:58:58,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:58,440 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:58:58,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:58:58,704 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:58:58,706 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 58 treesize of output 38 [2021-11-13 21:58:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 65 states and 154 transitions. [2021-11-13 21:58:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 154 transitions. [2021-11-13 21:58:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:58,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:58,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:58,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:58:58,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:58,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:58,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:58:59,225 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:58:59,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:58:59,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:59,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:58:59,560 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:58:59,560 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 58 treesize of output 38 [2021-11-13 21:58:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 67 states and 160 transitions. [2021-11-13 21:58:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 160 transitions. [2021-11-13 21:58:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:58:59,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:59,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:59,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:58:59,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:59,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:59,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:00,073 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:00,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:00,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:00,382 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:00,383 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 58 treesize of output 38 [2021-11-13 21:59:00,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 69 states and 166 transitions. [2021-11-13 21:59:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 166 transitions. [2021-11-13 21:59:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:00,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:00,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:00,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:59:00,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:00,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:00,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:00,870 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:00,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:00,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:00,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:01,183 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:01,184 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 58 treesize of output 38 [2021-11-13 21:59:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 71 states and 172 transitions. [2021-11-13 21:59:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 172 transitions. [2021-11-13 21:59:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:01,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:01,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:01,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:01,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:01,690 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:01,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:01,720 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:01,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:01,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:01,777 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:01,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:01,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:02,027 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:02,028 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 58 treesize of output 38 [2021-11-13 21:59:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 73 states and 178 transitions. [2021-11-13 21:59:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 178 transitions. [2021-11-13 21:59:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:02,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:02,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:02,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:02,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:02,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:02,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:02,741 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:02,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:02,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:02,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:03,035 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:03,035 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 58 treesize of output 38 [2021-11-13 21:59:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 75 states and 184 transitions. [2021-11-13 21:59:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 184 transitions. [2021-11-13 21:59:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:03,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:03,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:03,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:03,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:03,673 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:03,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:03,710 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:03,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:03,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:03,773 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:03,773 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:03,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:04,050 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:04,051 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 58 treesize of output 38 [2021-11-13 21:59:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 77 states and 190 transitions. [2021-11-13 21:59:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 190 transitions. [2021-11-13 21:59:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:04,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:04,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:04,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:04,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:04,894 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:04,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:04,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:04,934 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:04,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:04,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:04,986 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:04,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:05,206 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:05,206 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 58 treesize of output 38 [2021-11-13 21:59:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 79 states and 196 transitions. [2021-11-13 21:59:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 196 transitions. [2021-11-13 21:59:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:05,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:05,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:05,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:05,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:05,685 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:05,685 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:05,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:05,728 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:05,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:05,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:05,776 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:05,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:05,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:05,984 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:05,984 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 58 treesize of output 38 [2021-11-13 21:59:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 81 states and 202 transitions. [2021-11-13 21:59:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 202 transitions. [2021-11-13 21:59:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:06,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:06,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:06,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:06,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:06,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:06,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:06,458 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:06,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:06,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:06,724 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:06,726 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 58 treesize of output 38 [2021-11-13 21:59:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 83 states and 208 transitions. [2021-11-13 21:59:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 208 transitions. [2021-11-13 21:59:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:06,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:06,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:06,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:06,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:06,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:06,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:07,309 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:07,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:07,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:07,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:07,650 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:07,650 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 58 treesize of output 38 [2021-11-13 21:59:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:07,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 214 transitions. [2021-11-13 21:59:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 214 transitions. [2021-11-13 21:59:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:07,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:07,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:07,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:07,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:07,931 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:07,931 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:07,957 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:07,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:07,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:08,004 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:08,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:08,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:08,249 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:08,249 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 58 treesize of output 38 [2021-11-13 21:59:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 87 states and 220 transitions. [2021-11-13 21:59:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 220 transitions. [2021-11-13 21:59:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:08,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:08,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:08,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:08,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:08,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:08,585 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:08,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:08,608 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:08,621 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:08,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:08,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:08,662 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:08,663 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:08,849 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:08,849 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 58 treesize of output 38 [2021-11-13 21:59:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 89 states and 226 transitions. [2021-11-13 21:59:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 226 transitions. [2021-11-13 21:59:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:08,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:08,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:08,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:08,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:09,100 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:09,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:09,117 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:09,128 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:09,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:09,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:09,169 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:09,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:09,396 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:09,397 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 58 treesize of output 38 [2021-11-13 21:59:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 91 states and 232 transitions. [2021-11-13 21:59:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 232 transitions. [2021-11-13 21:59:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:09,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:09,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:09,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:09,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:09,722 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:09,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:09,755 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:09,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:09,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:09,796 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:09,796 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:09,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:10,003 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:10,003 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 58 treesize of output 38 [2021-11-13 21:59:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 93 states and 238 transitions. [2021-11-13 21:59:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 238 transitions. [2021-11-13 21:59:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:10,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:10,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:10,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:10,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:10,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:10,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:10,732 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:10,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:10,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:10,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:11,015 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:11,015 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 58 treesize of output 38 [2021-11-13 21:59:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:11,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 95 states and 244 transitions. [2021-11-13 21:59:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 244 transitions. [2021-11-13 21:59:11,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:11,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:11,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:11,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:11,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:11,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:11,573 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:11,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:11,593 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:11,593 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:11,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:11,635 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:11,635 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:11,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:11,856 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:11,857 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 58 treesize of output 38 [2021-11-13 21:59:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 97 states and 250 transitions. [2021-11-13 21:59:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 250 transitions. [2021-11-13 21:59:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:11,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:11,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:12,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:12,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:12,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:12,273 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:12,274 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:12,306 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:12,306 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:12,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:12,351 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:12,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:12,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:12,585 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:12,585 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 58 treesize of output 38 [2021-11-13 21:59:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 99 states and 256 transitions. [2021-11-13 21:59:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 256 transitions. [2021-11-13 21:59:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:12,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:12,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:12,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:12,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:12,860 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:12,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:12,889 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:12,889 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:12,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:12,948 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:12,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:12,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:13,157 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:13,157 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 58 treesize of output 38 [2021-11-13 21:59:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 101 states and 262 transitions. [2021-11-13 21:59:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 262 transitions. [2021-11-13 21:59:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:13,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:13,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:13,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:13,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:13,438 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:13,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:13,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:13,477 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:13,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:13,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:13,523 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:13,523 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:13,732 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:13,732 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 58 treesize of output 38 [2021-11-13 21:59:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 103 states and 268 transitions. [2021-11-13 21:59:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 268 transitions. [2021-11-13 21:59:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:13,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:13,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:13,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:13,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:14,038 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:14,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:14,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:14,086 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:14,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:14,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:14,143 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:14,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:14,382 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:14,382 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 58 treesize of output 38 [2021-11-13 21:59:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:14,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 105 states and 274 transitions. [2021-11-13 21:59:14,442 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 274 transitions. [2021-11-13 21:59:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:14,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:14,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:14,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:14,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:14,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:14,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:14,886 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:14,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:14,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:14,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:15,194 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:15,194 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 58 treesize of output 38 [2021-11-13 21:59:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 107 states and 280 transitions. [2021-11-13 21:59:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 280 transitions. [2021-11-13 21:59:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:15,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:15,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:15,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:15,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:15,485 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:15,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:15,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:15,521 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:15,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:15,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:15,568 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:15,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:15,826 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:15,827 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 58 treesize of output 38 [2021-11-13 21:59:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 109 states and 286 transitions. [2021-11-13 21:59:15,879 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 286 transitions. [2021-11-13 21:59:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:15,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:15,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:15,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:15,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:16,115 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:16,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:16,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:16,153 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:16,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:16,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:16,196 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:16,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:16,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:16,423 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:16,423 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 58 treesize of output 38 [2021-11-13 21:59:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 111 states and 292 transitions. [2021-11-13 21:59:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 292 transitions. [2021-11-13 21:59:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:16,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:16,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:16,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:16,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:16,743 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:16,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:16,777 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:16,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:16,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:16,836 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:16,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:16,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:17,064 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:17,064 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 58 treesize of output 38 [2021-11-13 21:59:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 113 states and 298 transitions. [2021-11-13 21:59:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 298 transitions. [2021-11-13 21:59:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:17,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:17,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:17,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:17,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:17,341 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:17,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:17,372 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:17,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:17,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:17,421 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:17,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:17,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:17,662 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:17,662 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 58 treesize of output 38 [2021-11-13 21:59:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 115 states and 304 transitions. [2021-11-13 21:59:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 304 transitions. [2021-11-13 21:59:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:17,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:17,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:17,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:17,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:17,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:17,911 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:17,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:17,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:17,944 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:17,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:17,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:17,991 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:17,991 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:18,197 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:18,197 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 58 treesize of output 38 [2021-11-13 21:59:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:18,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 117 states and 310 transitions. [2021-11-13 21:59:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 310 transitions. [2021-11-13 21:59:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:18,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:18,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:18,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:18,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:18,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:18,513 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:18,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:18,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:18,545 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:18,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:18,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:18,589 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:18,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:18,805 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:18,805 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 58 treesize of output 38 [2021-11-13 21:59:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 119 states and 316 transitions. [2021-11-13 21:59:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 316 transitions. [2021-11-13 21:59:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:18,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:18,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:18,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:18,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:19,065 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:19,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:19,095 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:19,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:19,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:19,142 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:19,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:19,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:19,390 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:19,390 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 58 treesize of output 38 [2021-11-13 21:59:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 121 states and 322 transitions. [2021-11-13 21:59:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 322 transitions. [2021-11-13 21:59:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:19,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:19,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:19,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:19,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:19,715 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:19,716 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:19,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:19,760 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:19,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:19,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:19,820 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:19,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:20,090 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:20,090 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 58 treesize of output 38 [2021-11-13 21:59:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 123 states and 328 transitions. [2021-11-13 21:59:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 328 transitions. [2021-11-13 21:59:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:20,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:20,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:20,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:20,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:20,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:20,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:20,622 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:20,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:20,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:20,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:20,932 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:20,932 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 58 treesize of output 38 [2021-11-13 21:59:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 125 states and 334 transitions. [2021-11-13 21:59:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 334 transitions. [2021-11-13 21:59:21,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:21,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:21,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:21,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:21,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:21,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:21,350 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:21,351 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:21,380 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:21,380 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:21,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:21,428 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:21,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:21,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:21,651 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:21,651 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 58 treesize of output 38 [2021-11-13 21:59:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 127 states and 340 transitions. [2021-11-13 21:59:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 340 transitions. [2021-11-13 21:59:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:21,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:21,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:21,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:21,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:21,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:21,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:22,054 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:22,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:22,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:22,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:22,438 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:22,438 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 58 treesize of output 38 [2021-11-13 21:59:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 129 states and 346 transitions. [2021-11-13 21:59:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 346 transitions. [2021-11-13 21:59:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:22,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:22,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:22,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:22,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:22,706 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:22,706 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:22,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:22,755 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:22,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:22,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:22,809 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:22,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:23,032 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:23,033 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 58 treesize of output 38 [2021-11-13 21:59:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 131 states and 352 transitions. [2021-11-13 21:59:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 352 transitions. [2021-11-13 21:59:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:23,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:23,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:23,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:23,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:23,320 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:23,321 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:23,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:23,375 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:23,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:23,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:23,437 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:23,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:23,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:23,714 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:23,714 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 58 treesize of output 38 [2021-11-13 21:59:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 133 states and 358 transitions. [2021-11-13 21:59:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 358 transitions. [2021-11-13 21:59:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:23,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:23,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:23,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:23,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:23,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:23,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:24,189 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:24,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:24,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:24,536 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:24,537 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 58 treesize of output 38 [2021-11-13 21:59:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 135 states and 364 transitions. [2021-11-13 21:59:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 364 transitions. [2021-11-13 21:59:24,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:24,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:24,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:24,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:24,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:24,817 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:24,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:24,848 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:24,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:24,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:24,895 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:24,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:24,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:25,107 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:25,107 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 58 treesize of output 38 [2021-11-13 21:59:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 137 states and 370 transitions. [2021-11-13 21:59:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 370 transitions. [2021-11-13 21:59:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:25,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:25,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:25,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:25,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:25,392 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:25,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:25,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:25,438 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:25,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:25,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:25,502 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:25,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:25,752 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:25,752 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 58 treesize of output 38 [2021-11-13 21:59:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 139 states and 376 transitions. [2021-11-13 21:59:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 376 transitions. [2021-11-13 21:59:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:25,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:25,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:25,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:25,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:26,068 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:26,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:26,117 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:26,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:26,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:26,196 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:26,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:26,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:26,500 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:26,501 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 58 treesize of output 38 [2021-11-13 21:59:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 141 states and 382 transitions. [2021-11-13 21:59:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 382 transitions. [2021-11-13 21:59:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:26,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:26,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:26,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:26,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:26,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:26,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:27,013 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:27,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:27,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:27,365 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:27,366 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 58 treesize of output 38 [2021-11-13 21:59:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 143 states and 388 transitions. [2021-11-13 21:59:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 388 transitions. [2021-11-13 21:59:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:27,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:27,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:27,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:27,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:27,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:27,554 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:27,797 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:27,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:27,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:28,140 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:28,140 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 58 treesize of output 38 [2021-11-13 21:59:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 145 states and 394 transitions. [2021-11-13 21:59:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 394 transitions. [2021-11-13 21:59:28,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:28,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:28,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:28,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:59:28,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:28,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:28,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:28,565 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:28,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:28,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:28,916 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:28,916 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 58 treesize of output 38 [2021-11-13 21:59:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 147 states and 400 transitions. [2021-11-13 21:59:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 400 transitions. [2021-11-13 21:59:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:28,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:28,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:29,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:29,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:29,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:29,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:29,399 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:29,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:29,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:29,728 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:29,728 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 58 treesize of output 38 [2021-11-13 21:59:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 149 states and 406 transitions. [2021-11-13 21:59:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 406 transitions. [2021-11-13 21:59:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:29,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:29,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:29,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:29,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:30,004 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:30,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:30,060 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:30,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:30,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:30,128 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:30,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:30,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:30,432 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:30,432 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 58 treesize of output 38 [2021-11-13 21:59:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 151 states and 412 transitions. [2021-11-13 21:59:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 412 transitions. [2021-11-13 21:59:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:30,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:30,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:30,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:30,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:30,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:30,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:30,931 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:30,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:30,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:31,280 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:31,280 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 58 treesize of output 38 [2021-11-13 21:59:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:31,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 153 states and 418 transitions. [2021-11-13 21:59:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 418 transitions. [2021-11-13 21:59:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:31,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:31,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:31,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:31,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:31,549 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:31,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:31,584 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:31,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:31,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:31,644 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:31,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:31,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:31,937 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:31,937 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 58 treesize of output 38 [2021-11-13 21:59:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:31,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 155 states and 424 transitions. [2021-11-13 21:59:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 424 transitions. [2021-11-13 21:59:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:31,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:31,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:32,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:32,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:32,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:32,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:32,318 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:32,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:32,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:32,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:32,673 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:32,674 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 58 treesize of output 38 [2021-11-13 21:59:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 157 states and 430 transitions. [2021-11-13 21:59:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 430 transitions. [2021-11-13 21:59:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:32,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:32,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:32,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:32,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:32,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:32,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:33,085 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:33,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:33,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:33,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:33,453 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:33,453 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 58 treesize of output 38 [2021-11-13 21:59:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 159 states and 436 transitions. [2021-11-13 21:59:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 436 transitions. [2021-11-13 21:59:33,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:33,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:33,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:33,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:33,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:33,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:33,732 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:33,732 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:33,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:33,779 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:33,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:33,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:33,836 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:33,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:34,116 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:34,116 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 58 treesize of output 38 [2021-11-13 21:59:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 161 states and 442 transitions. [2021-11-13 21:59:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 442 transitions. [2021-11-13 21:59:34,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:34,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:34,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:34,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:34,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:34,429 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:34,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:34,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:34,471 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:34,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:34,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:34,532 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:34,533 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:34,814 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:34,815 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 58 treesize of output 38 [2021-11-13 21:59:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 163 states and 448 transitions. [2021-11-13 21:59:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 448 transitions. [2021-11-13 21:59:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:34,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:34,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:34,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:34,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:35,142 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:35,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:35,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:35,204 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:35,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:35,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:35,287 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:35,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:35,544 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:35,544 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 58 treesize of output 38 [2021-11-13 21:59:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 165 states and 454 transitions. [2021-11-13 21:59:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 454 transitions. [2021-11-13 21:59:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:35,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:35,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:35,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:59:35,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:35,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:35,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:35,940 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:35,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:35,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:36,342 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:36,342 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 58 treesize of output 38 [2021-11-13 21:59:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 167 states and 460 transitions. [2021-11-13 21:59:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 460 transitions. [2021-11-13 21:59:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:36,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:36,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:36,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:36,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:36,640 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:36,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:36,679 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:36,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:36,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:36,751 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:36,752 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:36,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:37,023 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:37,023 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 58 treesize of output 38 [2021-11-13 21:59:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 169 states and 466 transitions. [2021-11-13 21:59:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 466 transitions. [2021-11-13 21:59:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:37,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:37,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:37,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:37,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:37,340 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:37,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:37,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:37,389 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:37,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:37,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:37,455 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:37,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:37,743 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:37,743 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 58 treesize of output 38 [2021-11-13 21:59:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 171 states and 472 transitions. [2021-11-13 21:59:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 472 transitions. [2021-11-13 21:59:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:37,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:37,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:37,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:37,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:38,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:38,096 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:38,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:38,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:38,149 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:38,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:38,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:38,224 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:38,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:38,502 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:38,502 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 58 treesize of output 38 [2021-11-13 21:59:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 173 states and 478 transitions. [2021-11-13 21:59:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 478 transitions. [2021-11-13 21:59:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:38,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:38,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:38,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:38,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:38,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:38,813 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:38,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:38,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:38,853 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:38,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:38,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:38,905 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:38,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:39,178 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:39,178 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 58 treesize of output 38 [2021-11-13 21:59:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 175 states and 484 transitions. [2021-11-13 21:59:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 484 transitions. [2021-11-13 21:59:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:39,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:39,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:39,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:39,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:39,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:39,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:39,750 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:39,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:39,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:40,118 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:40,119 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 58 treesize of output 38 [2021-11-13 21:59:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 177 states and 490 transitions. [2021-11-13 21:59:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 490 transitions. [2021-11-13 21:59:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:40,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:40,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:40,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:40,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:40,411 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:40,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:40,442 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:40,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:40,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:40,499 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:40,500 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:40,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:40,791 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:40,791 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 58 treesize of output 38 [2021-11-13 21:59:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 179 states and 496 transitions. [2021-11-13 21:59:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 496 transitions. [2021-11-13 21:59:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:40,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:40,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:40,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:40,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:41,061 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:41,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:41,097 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:41,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:41,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:41,164 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:41,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:41,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:41,484 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:41,484 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 58 treesize of output 38 [2021-11-13 21:59:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 181 states and 502 transitions. [2021-11-13 21:59:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 502 transitions. [2021-11-13 21:59:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:41,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:41,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:41,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:41,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:41,785 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:41,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:41,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:41,836 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:41,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:41,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:41,899 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:41,901 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:42,228 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:42,229 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 58 treesize of output 38 [2021-11-13 21:59:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 183 states and 508 transitions. [2021-11-13 21:59:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 508 transitions. [2021-11-13 21:59:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:42,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:42,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:42,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:42,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:42,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:42,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:42,650 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:42,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:42,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:42,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:43,101 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:43,101 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 58 treesize of output 38 [2021-11-13 21:59:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 185 states and 514 transitions. [2021-11-13 21:59:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 514 transitions. [2021-11-13 21:59:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:43,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:43,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:43,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:43,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:43,412 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:43,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:43,452 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:43,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:43,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:43,518 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:43,523 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:43,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:43,813 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:43,814 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 58 treesize of output 38 [2021-11-13 21:59:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 187 states and 520 transitions. [2021-11-13 21:59:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 520 transitions. [2021-11-13 21:59:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:43,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:43,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:43,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:43,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:43,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:43,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:44,265 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:44,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:44,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:44,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:44,746 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:44,747 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 58 treesize of output 38 [2021-11-13 21:59:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 189 states and 526 transitions. [2021-11-13 21:59:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 526 transitions. [2021-11-13 21:59:44,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:44,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:44,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:44,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:44,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:45,028 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:45,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:45,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:45,099 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:45,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:45,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:45,174 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:45,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:45,454 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:45,454 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 58 treesize of output 38 [2021-11-13 21:59:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 191 states and 532 transitions. [2021-11-13 21:59:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 532 transitions. [2021-11-13 21:59:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:45,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:45,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:45,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:45,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:45,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:45,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:45,854 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:45,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:45,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:45,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:46,281 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:46,281 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 58 treesize of output 38 [2021-11-13 21:59:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 193 states and 538 transitions. [2021-11-13 21:59:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 538 transitions. [2021-11-13 21:59:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:46,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:46,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:46,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:46,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:46,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:46,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:46,743 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:46,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:46,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:47,178 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:47,178 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 58 treesize of output 38 [2021-11-13 21:59:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 195 states and 544 transitions. [2021-11-13 21:59:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 544 transitions. [2021-11-13 21:59:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:47,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:47,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:47,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:47,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:47,512 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:47,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:47,572 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:47,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:47,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:47,659 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:47,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:47,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:47,950 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:47,950 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 58 treesize of output 38 [2021-11-13 21:59:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 197 states and 550 transitions. [2021-11-13 21:59:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 550 transitions. [2021-11-13 21:59:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:47,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:47,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:48,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:59:48,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:48,217 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:48,217 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:48,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:48,275 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:48,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:48,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:48,344 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:48,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:48,640 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:48,641 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 58 treesize of output 38 [2021-11-13 21:59:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 199 states and 556 transitions. [2021-11-13 21:59:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 556 transitions. [2021-11-13 21:59:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:48,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:48,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:48,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:48,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:48,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:48,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:49,059 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:49,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:49,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:49,492 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:49,492 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 58 treesize of output 38 [2021-11-13 21:59:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:49,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 201 states and 562 transitions. [2021-11-13 21:59:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 562 transitions. [2021-11-13 21:59:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:49,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:49,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:49,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:49,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:49,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:49,803 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:49,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:49,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:49,846 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:49,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:49,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:49,913 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:49,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:50,227 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:50,228 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 58 treesize of output 38 [2021-11-13 21:59:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:50,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:50,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 203 states and 568 transitions. [2021-11-13 21:59:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 568 transitions. [2021-11-13 21:59:50,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:50,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:50,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:50,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:50,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:50,531 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:50,532 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:50,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:50,590 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:50,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:50,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:50,660 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:50,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:50,983 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:50,983 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 58 treesize of output 38 [2021-11-13 21:59:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 205 states and 574 transitions. [2021-11-13 21:59:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 574 transitions. [2021-11-13 21:59:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:51,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:51,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:51,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:51,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:51,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:51,309 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:51,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:51,352 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:51,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:51,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:51,420 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:51,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:51,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:51,758 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:51,758 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 58 treesize of output 38 [2021-11-13 21:59:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 207 states and 580 transitions. [2021-11-13 21:59:51,803 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 580 transitions. [2021-11-13 21:59:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:51,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:51,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:51,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:51,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:52,105 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:52,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:52,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:52,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:52,186 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:52,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:52,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:52,269 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:52,269 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:52,569 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:52,569 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 58 treesize of output 38 [2021-11-13 21:59:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 209 states and 586 transitions. [2021-11-13 21:59:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 586 transitions. [2021-11-13 21:59:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:52,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:52,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:52,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:52,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:52,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:52,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:52,980 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:52,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:53,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:53,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:53,441 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:53,441 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 58 treesize of output 38 [2021-11-13 21:59:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 211 states and 592 transitions. [2021-11-13 21:59:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 592 transitions. [2021-11-13 21:59:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:53,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:53,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:53,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:53,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:53,736 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:53,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:53,808 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:53,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:53,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:53,888 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:53,889 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:53,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:54,223 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:54,224 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 58 treesize of output 38 [2021-11-13 21:59:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 213 states and 598 transitions. [2021-11-13 21:59:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 598 transitions. [2021-11-13 21:59:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:54,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:54,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:54,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:59:54,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:54,496 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:54,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:54,541 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:54,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:54,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:54,612 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:54,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:54,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:54,939 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:54,939 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 58 treesize of output 38 [2021-11-13 21:59:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 215 states and 604 transitions. [2021-11-13 21:59:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 604 transitions. [2021-11-13 21:59:54,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:54,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:54,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:55,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:55,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:55,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:55,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 21:59:55,492 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:55,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:55,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:55,972 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:55,972 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 58 treesize of output 38 [2021-11-13 21:59:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 217 states and 610 transitions. [2021-11-13 21:59:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 610 transitions. [2021-11-13 21:59:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:56,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:56,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:56,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:56,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:56,261 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:56,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:56,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:56,307 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:56,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:56,365 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:56,381 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:56,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:56,713 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:56,713 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 58 treesize of output 38 [2021-11-13 21:59:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 219 states and 616 transitions. [2021-11-13 21:59:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 616 transitions. [2021-11-13 21:59:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:56,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:56,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:56,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:59:56,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:56,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:56,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 21:59:57,150 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 21:59:57,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 21:59:57,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 21:59:57,642 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:57,642 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 58 treesize of output 38 [2021-11-13 21:59:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 221 states and 622 transitions. [2021-11-13 21:59:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 622 transitions. [2021-11-13 21:59:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:57,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:57,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:57,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:57,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:57,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:57,950 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:57,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:57,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:58,013 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:58,013 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:58,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:58,094 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:58,094 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:58,438 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:58,439 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 58 treesize of output 38 [2021-11-13 21:59:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:58,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 223 states and 628 transitions. [2021-11-13 21:59:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 628 transitions. [2021-11-13 21:59:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:58,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:58,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:58,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 21:59:58,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:58,745 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:58,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:58,800 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:58,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:58,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:58,884 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:58,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:58,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:59,248 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 21:59:59,248 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 58 treesize of output 38 [2021-11-13 21:59:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:59,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 225 states and 634 transitions. [2021-11-13 21:59:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 634 transitions. [2021-11-13 21:59:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:59:59,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:59,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:59,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:59:59,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:59,552 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:59,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 21:59:59,610 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:59,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:59,628 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:59,692 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 21:59:59,692 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 21:59:59,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:00,016 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:00,016 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 58 treesize of output 38 [2021-11-13 22:00:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 227 states and 640 transitions. [2021-11-13 22:00:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 640 transitions. [2021-11-13 22:00:00,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:00,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:00,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:00,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:00,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:00,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:00,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:00,490 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:00,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:00,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:00,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:01,000 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:01,000 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 58 treesize of output 38 [2021-11-13 22:00:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 229 states and 646 transitions. [2021-11-13 22:00:01,046 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 646 transitions. [2021-11-13 22:00:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:01,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:01,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:01,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:01,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:01,289 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:01,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:01,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:01,356 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:01,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:01,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:01,446 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:01,447 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:01,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:01,808 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:01,808 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 58 treesize of output 38 [2021-11-13 22:00:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 231 states and 652 transitions. [2021-11-13 22:00:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 652 transitions. [2021-11-13 22:00:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:01,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:01,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:01,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:01,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:01,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:01,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:02,261 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:02,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:02,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:02,803 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:02,804 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 58 treesize of output 38 [2021-11-13 22:00:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 233 states and 658 transitions. [2021-11-13 22:00:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 658 transitions. [2021-11-13 22:00:02,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:02,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:02,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:02,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:02,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:03,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:03,144 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:03,145 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:03,195 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:03,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:03,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:03,280 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:03,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:03,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:03,614 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:03,614 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 58 treesize of output 38 [2021-11-13 22:00:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 235 states and 664 transitions. [2021-11-13 22:00:03,661 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 664 transitions. [2021-11-13 22:00:03,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:03,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:03,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:03,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:03,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:03,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:03,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:04,186 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:04,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:04,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:04,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:04,719 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:04,719 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 58 treesize of output 38 [2021-11-13 22:00:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 237 states and 670 transitions. [2021-11-13 22:00:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 670 transitions. [2021-11-13 22:00:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:04,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:04,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:04,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:05,003 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:05,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:05,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:05,077 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:05,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:05,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:05,146 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:05,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:05,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:05,464 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:05,464 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 58 treesize of output 38 [2021-11-13 22:00:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 239 states and 676 transitions. [2021-11-13 22:00:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 676 transitions. [2021-11-13 22:00:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:05,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:05,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:05,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:05,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:05,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:05,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:05,892 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:05,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:05,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:05,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:06,428 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:06,429 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 58 treesize of output 38 [2021-11-13 22:00:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 241 states and 682 transitions. [2021-11-13 22:00:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 682 transitions. [2021-11-13 22:00:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:06,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:06,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:06,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:06,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:06,693 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:06,714 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:06,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:06,764 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:06,765 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:06,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:06,840 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:06,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:06,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:07,177 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:07,177 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 58 treesize of output 38 [2021-11-13 22:00:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:07,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 243 states and 688 transitions. [2021-11-13 22:00:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 688 transitions. [2021-11-13 22:00:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:07,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:07,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:07,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:07,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:07,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:07,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:07,611 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:07,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:07,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:07,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:08,181 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:08,182 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 58 treesize of output 38 [2021-11-13 22:00:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 245 states and 694 transitions. [2021-11-13 22:00:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 694 transitions. [2021-11-13 22:00:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:08,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:08,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:08,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:08,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:08,476 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:08,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:08,529 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:08,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:08,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:08,614 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:08,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:08,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:08,976 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:08,977 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 58 treesize of output 38 [2021-11-13 22:00:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 247 states and 700 transitions. [2021-11-13 22:00:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 700 transitions. [2021-11-13 22:00:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:09,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:09,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:09,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:09,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:09,260 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:09,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:09,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:09,312 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:09,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:09,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:09,392 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:09,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:09,757 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:09,758 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 58 treesize of output 38 [2021-11-13 22:00:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 249 states and 706 transitions. [2021-11-13 22:00:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 706 transitions. [2021-11-13 22:00:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:09,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:09,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:09,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:09,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:09,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:09,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:10,188 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:10,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:10,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:10,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:10,682 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:10,682 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 58 treesize of output 38 [2021-11-13 22:00:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:10,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 251 states and 712 transitions. [2021-11-13 22:00:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 712 transitions. [2021-11-13 22:00:10,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:10,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:10,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:10,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:10,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:10,964 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:10,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:11,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:11,025 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:11,025 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:11,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:11,097 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:11,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:11,433 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:11,433 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 58 treesize of output 38 [2021-11-13 22:00:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 253 states and 718 transitions. [2021-11-13 22:00:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 718 transitions. [2021-11-13 22:00:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:11,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:11,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:11,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:11,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:11,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:11,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:11,890 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:11,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:11,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:11,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:12,446 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:12,447 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 58 treesize of output 38 [2021-11-13 22:00:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:12,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 255 states and 724 transitions. [2021-11-13 22:00:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 724 transitions. [2021-11-13 22:00:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:12,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:12,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:12,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:12,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:12,740 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:12,740 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:12,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:12,833 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:12,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:12,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:12,925 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:12,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:13,246 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:13,246 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 58 treesize of output 38 [2021-11-13 22:00:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 257 states and 730 transitions. [2021-11-13 22:00:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 730 transitions. [2021-11-13 22:00:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:13,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:13,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:13,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:13,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:13,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:13,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:13,662 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:13,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:13,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:13,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:14,222 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:14,222 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 58 treesize of output 38 [2021-11-13 22:00:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 259 states and 736 transitions. [2021-11-13 22:00:14,279 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 736 transitions. [2021-11-13 22:00:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:14,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:14,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:14,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:14,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:14,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:14,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:14,758 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:14,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:14,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:14,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:15,278 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:15,278 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 58 treesize of output 38 [2021-11-13 22:00:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 261 states and 742 transitions. [2021-11-13 22:00:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 742 transitions. [2021-11-13 22:00:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:15,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:15,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:15,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:15,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:15,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:15,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:15,681 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:15,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:15,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:16,188 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:16,189 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 58 treesize of output 38 [2021-11-13 22:00:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 263 states and 748 transitions. [2021-11-13 22:00:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 748 transitions. [2021-11-13 22:00:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:16,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:16,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:16,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:16,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:16,505 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:16,505 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:16,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:16,572 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:16,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:16,596 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:16,655 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:16,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:16,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:17,006 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:17,006 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 58 treesize of output 38 [2021-11-13 22:00:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 265 states and 754 transitions. [2021-11-13 22:00:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 754 transitions. [2021-11-13 22:00:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:17,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:17,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:17,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:17,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:17,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:17,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:17,446 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:17,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:17,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:18,030 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:18,030 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 58 treesize of output 38 [2021-11-13 22:00:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 267 states and 760 transitions. [2021-11-13 22:00:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 760 transitions. [2021-11-13 22:00:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:18,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:18,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:18,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:00:18,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:18,324 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:18,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:18,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:18,395 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:18,396 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:18,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:18,475 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:18,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:18,850 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:18,850 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 58 treesize of output 38 [2021-11-13 22:00:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 269 states and 766 transitions. [2021-11-13 22:00:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 766 transitions. [2021-11-13 22:00:18,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:18,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:18,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:18,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:18,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:19,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:19,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:19,315 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:19,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:19,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:19,831 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:19,831 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 58 treesize of output 38 [2021-11-13 22:00:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 271 states and 772 transitions. [2021-11-13 22:00:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 772 transitions. [2021-11-13 22:00:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:19,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:19,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:19,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:19,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:20,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:20,140 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:20,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:20,208 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:20,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:20,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:20,303 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:20,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:20,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:20,702 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:20,703 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 58 treesize of output 38 [2021-11-13 22:00:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 273 states and 778 transitions. [2021-11-13 22:00:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 778 transitions. [2021-11-13 22:00:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:20,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:20,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:20,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:00:20,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:20,995 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:20,995 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:21,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:21,079 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:21,079 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:21,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:21,171 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:21,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:21,559 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:21,560 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 58 treesize of output 38 [2021-11-13 22:00:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:21,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 275 states and 784 transitions. [2021-11-13 22:00:21,606 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 784 transitions. [2021-11-13 22:00:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:21,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:21,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:21,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:21,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:21,851 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:21,852 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:21,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:21,917 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:21,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:21,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:22,010 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:22,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:22,422 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:22,422 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 58 treesize of output 38 [2021-11-13 22:00:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 277 states and 790 transitions. [2021-11-13 22:00:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 790 transitions. [2021-11-13 22:00:22,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:22,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:22,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:22,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:22,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:22,807 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:22,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:22,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:22,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:22,912 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:22,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:22,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:23,028 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:23,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:23,418 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:23,418 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 58 treesize of output 38 [2021-11-13 22:00:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 279 states and 796 transitions. [2021-11-13 22:00:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 796 transitions. [2021-11-13 22:00:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:23,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:23,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:23,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:23,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:23,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:23,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:23,989 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:23,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:24,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:24,557 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:24,557 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 58 treesize of output 38 [2021-11-13 22:00:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 281 states and 802 transitions. [2021-11-13 22:00:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 802 transitions. [2021-11-13 22:00:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:24,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:24,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:24,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:24,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:24,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:24,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:24,968 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:24,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:24,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:25,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:25,549 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:25,549 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 58 treesize of output 38 [2021-11-13 22:00:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 283 states and 808 transitions. [2021-11-13 22:00:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 808 transitions. [2021-11-13 22:00:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:25,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:25,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:25,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:25,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:25,838 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:25,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:25,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:25,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:25,937 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:25,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:25,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:26,028 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:26,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:26,404 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:26,404 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 58 treesize of output 38 [2021-11-13 22:00:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 285 states and 814 transitions. [2021-11-13 22:00:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 814 transitions. [2021-11-13 22:00:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:26,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:26,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:26,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:26,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:26,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:26,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:26,850 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:26,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:26,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:26,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:27,381 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:27,381 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 58 treesize of output 38 [2021-11-13 22:00:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 287 states and 820 transitions. [2021-11-13 22:00:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 820 transitions. [2021-11-13 22:00:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:27,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:27,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:27,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:27,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:27,687 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:27,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:27,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:27,750 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:27,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:27,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:27,845 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:27,845 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:28,265 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:28,265 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 58 treesize of output 38 [2021-11-13 22:00:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:28,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 289 states and 826 transitions. [2021-11-13 22:00:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 826 transitions. [2021-11-13 22:00:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:28,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:28,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:28,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:28,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:28,526 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:28,551 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:28,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:28,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:28,620 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:28,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:28,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:28,732 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:28,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:29,117 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:29,117 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 58 treesize of output 38 [2021-11-13 22:00:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 291 states and 832 transitions. [2021-11-13 22:00:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 832 transitions. [2021-11-13 22:00:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:29,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:29,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:29,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:29,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:29,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:29,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:29,556 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:29,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:29,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:29,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:30,127 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:30,127 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 58 treesize of output 38 [2021-11-13 22:00:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:30,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 293 states and 838 transitions. [2021-11-13 22:00:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 838 transitions. [2021-11-13 22:00:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:30,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:30,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:30,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:30,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:30,426 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:30,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:30,491 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:30,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:30,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:30,597 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:30,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:30,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:30,968 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:30,968 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 58 treesize of output 38 [2021-11-13 22:00:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 295 states and 844 transitions. [2021-11-13 22:00:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 844 transitions. [2021-11-13 22:00:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:31,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:31,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:31,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:31,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:31,268 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:31,269 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:31,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:31,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:31,385 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:31,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:31,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:31,495 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:31,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:31,891 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:31,892 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 58 treesize of output 38 [2021-11-13 22:00:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 297 states and 850 transitions. [2021-11-13 22:00:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 850 transitions. [2021-11-13 22:00:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:31,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:31,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:31,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:31,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:32,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:32,214 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:32,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:32,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:32,282 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:32,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:32,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:32,385 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:32,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:32,837 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:32,837 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 58 treesize of output 38 [2021-11-13 22:00:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 299 states and 856 transitions. [2021-11-13 22:00:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 856 transitions. [2021-11-13 22:00:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:32,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:32,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:32,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:32,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:33,199 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:33,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:33,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:33,297 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:33,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:33,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:33,406 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:33,407 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:33,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:33,843 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:33,843 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 58 treesize of output 38 [2021-11-13 22:00:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:33,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 301 states and 862 transitions. [2021-11-13 22:00:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 862 transitions. [2021-11-13 22:00:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:33,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:33,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:33,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:33,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:33,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:34,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:34,302 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:34,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:34,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:34,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:34,907 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:34,907 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 58 treesize of output 38 [2021-11-13 22:00:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 303 states and 868 transitions. [2021-11-13 22:00:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 868 transitions. [2021-11-13 22:00:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:34,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:34,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:35,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:35,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:35,202 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:35,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:35,261 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:35,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:35,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:35,378 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:35,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:35,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:35,848 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:35,848 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 58 treesize of output 38 [2021-11-13 22:00:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 305 states and 874 transitions. [2021-11-13 22:00:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 874 transitions. [2021-11-13 22:00:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:35,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:35,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:35,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:36,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:36,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:36,328 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:36,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:36,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:36,906 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:36,906 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 58 treesize of output 38 [2021-11-13 22:00:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 307 states and 880 transitions. [2021-11-13 22:00:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 880 transitions. [2021-11-13 22:00:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:36,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:36,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:37,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 22:00:37,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:37,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:37,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:37,364 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:37,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:37,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:37,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:38,026 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:38,026 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 58 treesize of output 38 [2021-11-13 22:00:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 309 states and 886 transitions. [2021-11-13 22:00:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 886 transitions. [2021-11-13 22:00:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:38,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:38,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:38,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:00:38,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:38,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:38,374 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:38,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:38,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:38,439 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:38,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:38,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:38,536 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:38,536 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:38,976 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:38,976 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 58 treesize of output 38 [2021-11-13 22:00:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 311 states and 892 transitions. [2021-11-13 22:00:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 892 transitions. [2021-11-13 22:00:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:39,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:39,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:39,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:39,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:39,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:39,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:39,593 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:39,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:39,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:40,199 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:40,200 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 58 treesize of output 38 [2021-11-13 22:00:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 313 states and 898 transitions. [2021-11-13 22:00:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 898 transitions. [2021-11-13 22:00:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:40,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:40,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:40,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:40,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:40,565 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:40,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:40,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:40,643 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:40,644 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:40,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:40,760 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:40,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:41,212 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:41,212 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 58 treesize of output 38 [2021-11-13 22:00:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 315 states and 904 transitions. [2021-11-13 22:00:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 904 transitions. [2021-11-13 22:00:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:41,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:41,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:41,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:41,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:41,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:41,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:00:41,779 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:41,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:41,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:41,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:42,465 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:42,466 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 58 treesize of output 38 [2021-11-13 22:00:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:42,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 317 states and 910 transitions. [2021-11-13 22:00:42,518 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 910 transitions. [2021-11-13 22:00:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:42,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:42,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:42,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:42,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:42,786 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:42,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:42,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:42,861 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:42,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:42,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:42,956 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:42,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:42,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:43,376 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:43,377 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 58 treesize of output 38 [2021-11-13 22:00:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:43,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 319 states and 916 transitions. [2021-11-13 22:00:43,423 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 916 transitions. [2021-11-13 22:00:43,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:43,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:43,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:43,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:43,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:43,660 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:43,690 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:43,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:43,739 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:43,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:43,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:43,834 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:43,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:43,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:44,285 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:44,285 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 58 treesize of output 38 [2021-11-13 22:00:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 321 states and 922 transitions. [2021-11-13 22:00:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 922 transitions. [2021-11-13 22:00:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:44,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:44,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:44,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:44,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:44,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:44,621 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:44,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:44,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:44,726 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:44,726 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:44,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:44,849 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:44,849 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:45,258 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:45,258 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 58 treesize of output 38 [2021-11-13 22:00:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:45,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:45,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 323 states and 928 transitions. [2021-11-13 22:00:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 928 transitions. [2021-11-13 22:00:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:45,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:45,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:45,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:45,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:45,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:45,644 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:45,644 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:45,722 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:45,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:45,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:45,832 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:45,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:45,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:46,274 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:46,275 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 58 treesize of output 38 [2021-11-13 22:00:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 325 states and 934 transitions. [2021-11-13 22:00:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 934 transitions. [2021-11-13 22:00:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:46,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:46,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:46,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:46,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:46,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:46,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:46,929 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:46,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:46,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:46,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:47,549 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:47,549 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 58 treesize of output 38 [2021-11-13 22:00:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:47,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 327 states and 940 transitions. [2021-11-13 22:00:47,595 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 940 transitions. [2021-11-13 22:00:47,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:47,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:47,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:47,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:47,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:47,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:47,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:48,203 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:48,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:48,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:48,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:48,972 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:48,972 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 58 treesize of output 38 [2021-11-13 22:00:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:49,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 329 states and 946 transitions. [2021-11-13 22:00:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 946 transitions. [2021-11-13 22:00:49,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:49,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:49,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:49,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:49,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:49,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:49,406 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:49,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:49,473 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:49,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:49,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:49,600 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:49,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:49,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:50,078 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:50,078 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 58 treesize of output 38 [2021-11-13 22:00:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 331 states and 952 transitions. [2021-11-13 22:00:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 952 transitions. [2021-11-13 22:00:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:50,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:50,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:50,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:00:50,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:50,438 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:50,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:50,515 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:50,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:50,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:50,634 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:50,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:50,660 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:51,139 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:51,139 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 58 treesize of output 38 [2021-11-13 22:00:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 333 states and 958 transitions. [2021-11-13 22:00:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 958 transitions. [2021-11-13 22:00:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:51,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:51,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:51,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:51,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:51,504 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:51,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:51,592 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:51,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:51,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:51,704 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:51,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:51,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:52,178 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:52,178 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 58 treesize of output 38 [2021-11-13 22:00:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:52,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 335 states and 964 transitions. [2021-11-13 22:00:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 964 transitions. [2021-11-13 22:00:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:52,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:52,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:52,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:52,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:52,513 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:52,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:52,583 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:52,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:52,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:52,710 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:52,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:52,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:53,187 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:53,188 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 58 treesize of output 38 [2021-11-13 22:00:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 337 states and 970 transitions. [2021-11-13 22:00:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 970 transitions. [2021-11-13 22:00:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:53,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:53,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:53,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:00:53,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:53,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:53,560 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:53,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:53,615 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:53,616 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:53,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:53,735 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:53,736 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:53,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:54,253 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:54,253 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 58 treesize of output 38 [2021-11-13 22:00:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 339 states and 976 transitions. [2021-11-13 22:00:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 976 transitions. [2021-11-13 22:00:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:54,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:54,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:54,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:00:54,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:54,603 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:54,603 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:54,692 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:54,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:54,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:54,809 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:54,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:54,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:55,256 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:55,256 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 58 treesize of output 38 [2021-11-13 22:00:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 341 states and 982 transitions. [2021-11-13 22:00:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 982 transitions. [2021-11-13 22:00:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:55,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:55,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:55,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:55,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:55,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:55,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:56,090 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:56,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:56,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:56,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:56,750 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:56,750 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 58 treesize of output 38 [2021-11-13 22:00:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 343 states and 988 transitions. [2021-11-13 22:00:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 988 transitions. [2021-11-13 22:00:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:56,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:56,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:56,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:00:56,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:56,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:56,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:00:57,417 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:00:57,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:00:57,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:00:58,107 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:58,107 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 58 treesize of output 38 [2021-11-13 22:00:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 345 states and 994 transitions. [2021-11-13 22:00:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 994 transitions. [2021-11-13 22:00:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:58,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:58,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:58,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:58,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:58,442 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:58,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:58,524 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:58,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:58,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:58,636 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:58,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:58,660 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:59,097 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:00:59,097 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 58 treesize of output 38 [2021-11-13 22:00:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 347 states and 1000 transitions. [2021-11-13 22:00:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1000 transitions. [2021-11-13 22:00:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:59,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:59,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:59,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:00:59,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:00:59,443 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:59,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:00:59,508 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:59,508 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:59,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:00:59,619 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:00:59,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:00:59,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:00,094 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:00,094 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 58 treesize of output 38 [2021-11-13 22:01:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 349 states and 1006 transitions. [2021-11-13 22:01:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1006 transitions. [2021-11-13 22:01:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:00,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:00,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:00,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:00,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:00,449 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:00,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:00,522 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:00,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:00,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:00,646 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:00,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:00,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:01,157 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:01,157 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 58 treesize of output 38 [2021-11-13 22:01:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 351 states and 1012 transitions. [2021-11-13 22:01:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1012 transitions. [2021-11-13 22:01:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:01,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:01,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:01,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:01,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:01,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:01,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:01,662 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:01,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:01,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:01,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:02,385 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:02,385 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 58 treesize of output 38 [2021-11-13 22:01:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 353 states and 1018 transitions. [2021-11-13 22:01:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1018 transitions. [2021-11-13 22:01:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:02,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:02,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:02,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:01:02,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:02,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:02,782 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:02,782 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:02,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:02,861 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:02,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:02,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:02,977 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:02,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:03,458 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:03,458 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 58 treesize of output 38 [2021-11-13 22:01:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 355 states and 1024 transitions. [2021-11-13 22:01:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1024 transitions. [2021-11-13 22:01:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:03,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:03,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:03,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:03,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:03,812 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:03,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:03,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:03,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:03,963 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:03,963 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:04,045 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:04,100 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:04,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:04,527 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:04,528 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 58 treesize of output 38 [2021-11-13 22:01:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 357 states and 1030 transitions. [2021-11-13 22:01:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1030 transitions. [2021-11-13 22:01:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:04,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:04,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:04,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:04,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:04,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:04,875 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:04,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:04,945 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:04,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:04,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:05,051 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:05,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:05,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:05,522 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:05,522 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 58 treesize of output 38 [2021-11-13 22:01:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 359 states and 1036 transitions. [2021-11-13 22:01:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1036 transitions. [2021-11-13 22:01:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:05,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:05,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:05,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:01:05,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:05,944 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:05,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:06,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:06,058 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:06,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:06,156 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:06,209 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:06,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:06,718 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:06,718 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 58 treesize of output 38 [2021-11-13 22:01:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 361 states and 1042 transitions. [2021-11-13 22:01:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1042 transitions. [2021-11-13 22:01:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:06,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:06,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:06,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:07,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:07,104 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:07,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:07,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:07,199 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:07,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:07,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:07,316 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:07,316 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:07,774 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:07,775 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 58 treesize of output 38 [2021-11-13 22:01:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 363 states and 1048 transitions. [2021-11-13 22:01:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1048 transitions. [2021-11-13 22:01:07,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:07,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:07,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:07,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:07,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:08,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:08,112 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:08,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:08,160 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:08,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:08,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:08,266 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:08,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:08,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:08,763 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:08,763 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 58 treesize of output 38 [2021-11-13 22:01:08,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 365 states and 1054 transitions. [2021-11-13 22:01:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1054 transitions. [2021-11-13 22:01:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:08,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:08,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:08,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 22:01:08,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:08,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:08,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:01:09,242 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:09,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:09,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:09,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:09,992 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:09,993 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 58 treesize of output 38 [2021-11-13 22:01:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 367 states and 1060 transitions. [2021-11-13 22:01:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1060 transitions. [2021-11-13 22:01:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:10,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:10,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:10,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:10,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:10,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:10,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:10,478 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:10,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:10,524 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:10,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:11,195 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:11,196 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 58 treesize of output 38 [2021-11-13 22:01:11,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 369 states and 1066 transitions. [2021-11-13 22:01:11,248 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1066 transitions. [2021-11-13 22:01:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:11,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:11,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:11,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:11,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:11,557 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:11,557 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:11,638 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:11,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:11,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:11,759 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:11,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:11,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:12,280 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:12,280 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 58 treesize of output 38 [2021-11-13 22:01:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 371 states and 1072 transitions. [2021-11-13 22:01:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1072 transitions. [2021-11-13 22:01:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:12,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:12,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:12,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:12,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:12,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:12,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:12,772 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:12,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:12,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:12,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:13,513 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:13,514 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 58 treesize of output 38 [2021-11-13 22:01:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 373 states and 1078 transitions. [2021-11-13 22:01:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1078 transitions. [2021-11-13 22:01:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:13,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:13,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:13,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:01:13,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:13,909 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:13,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:13,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:14,002 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:14,002 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:14,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:14,117 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:14,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:14,618 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:14,618 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 58 treesize of output 38 [2021-11-13 22:01:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 375 states and 1084 transitions. [2021-11-13 22:01:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1084 transitions. [2021-11-13 22:01:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:14,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:14,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:14,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:14,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:14,973 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:14,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:15,053 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:15,053 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:15,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:15,183 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:15,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:15,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:15,677 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:15,677 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 58 treesize of output 38 [2021-11-13 22:01:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 377 states and 1090 transitions. [2021-11-13 22:01:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1090 transitions. [2021-11-13 22:01:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:15,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:15,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:15,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:15,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:16,003 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:16,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:16,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:16,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:16,108 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:16,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:16,194 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:16,230 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:16,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:16,738 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:16,739 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 58 treesize of output 38 [2021-11-13 22:01:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:16,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 379 states and 1096 transitions. [2021-11-13 22:01:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1096 transitions. [2021-11-13 22:01:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:16,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:16,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:16,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:16,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:16,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:16,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:17,254 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:17,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:17,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:17,989 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:17,989 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 58 treesize of output 38 [2021-11-13 22:01:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:18,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 381 states and 1102 transitions. [2021-11-13 22:01:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1102 transitions. [2021-11-13 22:01:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:18,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:18,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:18,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:18,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:18,344 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:18,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:18,405 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:18,405 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:18,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:18,533 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:18,533 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:18,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:19,093 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:19,094 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 58 treesize of output 38 [2021-11-13 22:01:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 383 states and 1108 transitions. [2021-11-13 22:01:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1108 transitions. [2021-11-13 22:01:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:19,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:19,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:19,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:19,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:19,508 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:19,508 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:19,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:19,592 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:19,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:19,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:19,706 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:19,706 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:20,253 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:20,253 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 58 treesize of output 38 [2021-11-13 22:01:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:20,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 385 states and 1114 transitions. [2021-11-13 22:01:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1114 transitions. [2021-11-13 22:01:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:20,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:20,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:20,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:20,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:20,577 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:20,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:20,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:20,663 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:20,663 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:20,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:20,778 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:20,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:21,245 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:21,245 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 58 treesize of output 38 [2021-11-13 22:01:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:21,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 387 states and 1120 transitions. [2021-11-13 22:01:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1120 transitions. [2021-11-13 22:01:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:21,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:21,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:21,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:21,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:21,597 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:21,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:21,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:21,672 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:21,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:21,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:21,788 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:21,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:22,290 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:22,290 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 58 treesize of output 38 [2021-11-13 22:01:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 389 states and 1126 transitions. [2021-11-13 22:01:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1126 transitions. [2021-11-13 22:01:22,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:22,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:22,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:22,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:22,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:22,636 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:22,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:22,707 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:22,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:22,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:22,828 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:22,829 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:22,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:23,347 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:23,347 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 58 treesize of output 38 [2021-11-13 22:01:23,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 391 states and 1132 transitions. [2021-11-13 22:01:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1132 transitions. [2021-11-13 22:01:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:23,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:23,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:23,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:23,693 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:23,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:23,768 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:23,819 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:23,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:23,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:23,957 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:23,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:24,456 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:24,456 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 58 treesize of output 38 [2021-11-13 22:01:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 393 states and 1138 transitions. [2021-11-13 22:01:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1138 transitions. [2021-11-13 22:01:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:24,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:24,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:24,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:24,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:24,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:24,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:25,016 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:25,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:25,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:25,821 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:25,821 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 58 treesize of output 38 [2021-11-13 22:01:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:25,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:25,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 395 states and 1144 transitions. [2021-11-13 22:01:25,879 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 1144 transitions. [2021-11-13 22:01:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:25,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:25,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:25,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:25,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:26,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:26,246 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:26,246 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:26,317 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:26,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:26,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:26,426 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:26,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:26,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:26,931 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:26,931 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 58 treesize of output 38 [2021-11-13 22:01:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 397 states and 1150 transitions. [2021-11-13 22:01:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1150 transitions. [2021-11-13 22:01:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:26,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:26,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:27,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:01:27,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:27,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:01:27,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:01:27,648 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:27,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:27,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:27,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:28,451 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:28,451 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 58 treesize of output 38 [2021-11-13 22:01:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 399 states and 1156 transitions. [2021-11-13 22:01:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1156 transitions. [2021-11-13 22:01:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:28,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:28,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:28,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:28,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:28,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:28,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:28,971 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:28,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:29,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:29,752 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:29,752 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 58 treesize of output 38 [2021-11-13 22:01:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 401 states and 1162 transitions. [2021-11-13 22:01:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1162 transitions. [2021-11-13 22:01:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:29,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:29,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:29,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:29,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:30,096 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:30,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:30,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:30,225 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:30,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:30,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:30,357 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:30,357 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:30,879 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:30,879 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 58 treesize of output 38 [2021-11-13 22:01:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 403 states and 1168 transitions. [2021-11-13 22:01:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1168 transitions. [2021-11-13 22:01:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:30,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:30,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:30,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:30,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:31,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:31,271 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:31,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:31,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:31,377 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:31,377 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:31,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:31,499 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:31,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:31,996 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:31,996 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 58 treesize of output 38 [2021-11-13 22:01:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 405 states and 1174 transitions. [2021-11-13 22:01:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1174 transitions. [2021-11-13 22:01:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:32,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:32,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:32,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:01:32,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:32,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:32,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:32,504 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:32,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:32,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:33,292 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:33,292 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 58 treesize of output 38 [2021-11-13 22:01:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 407 states and 1180 transitions. [2021-11-13 22:01:33,349 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1180 transitions. [2021-11-13 22:01:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:33,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:33,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:33,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:33,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:33,649 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:33,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:33,716 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:33,716 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:33,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:33,829 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:33,829 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:33,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:34,326 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:34,326 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 58 treesize of output 38 [2021-11-13 22:01:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 409 states and 1186 transitions. [2021-11-13 22:01:34,384 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 1186 transitions. [2021-11-13 22:01:34,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:34,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:34,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:34,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:34,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:34,706 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:34,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:34,802 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:34,803 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:34,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:34,941 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:34,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:34,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:35,434 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:35,434 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 58 treesize of output 38 [2021-11-13 22:01:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:35,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 411 states and 1192 transitions. [2021-11-13 22:01:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1192 transitions. [2021-11-13 22:01:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:35,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:35,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:35,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:01:35,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:35,817 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:35,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:35,899 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:35,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:35,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:36,033 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:36,033 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:36,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:36,577 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:36,577 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 58 treesize of output 38 [2021-11-13 22:01:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 413 states and 1198 transitions. [2021-11-13 22:01:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1198 transitions. [2021-11-13 22:01:36,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:36,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:36,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:36,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:01:36,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:36,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:36,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:37,097 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:37,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:37,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:37,884 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:37,884 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 58 treesize of output 38 [2021-11-13 22:01:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 415 states and 1204 transitions. [2021-11-13 22:01:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 1204 transitions. [2021-11-13 22:01:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:37,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:37,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:38,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:38,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:38,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:38,306 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:38,306 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:38,373 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:38,373 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:38,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:38,520 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:38,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:38,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:39,129 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:39,129 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 58 treesize of output 38 [2021-11-13 22:01:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 417 states and 1210 transitions. [2021-11-13 22:01:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 1210 transitions. [2021-11-13 22:01:39,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:39,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:39,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:39,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:01:39,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:39,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:01:39,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:01:39,929 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:39,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:40,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:40,810 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:40,810 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 58 treesize of output 38 [2021-11-13 22:01:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 419 states and 1216 transitions. [2021-11-13 22:01:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1216 transitions. [2021-11-13 22:01:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:40,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:40,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:40,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:40,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:41,154 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:41,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:41,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:41,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:41,287 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:41,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:41,378 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:41,419 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:41,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:41,912 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:41,912 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 58 treesize of output 38 [2021-11-13 22:01:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 421 states and 1222 transitions. [2021-11-13 22:01:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1222 transitions. [2021-11-13 22:01:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:41,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:41,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:42,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:42,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:42,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:42,313 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:42,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:42,397 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:42,397 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:42,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:42,551 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:42,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:42,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:43,165 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:43,165 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 58 treesize of output 38 [2021-11-13 22:01:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 423 states and 1228 transitions. [2021-11-13 22:01:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1228 transitions. [2021-11-13 22:01:43,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:43,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:43,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:43,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:43,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:43,545 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:43,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:43,636 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:43,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:43,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:43,780 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:43,781 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:43,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:44,368 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:44,369 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 58 treesize of output 38 [2021-11-13 22:01:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 425 states and 1234 transitions. [2021-11-13 22:01:44,426 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 1234 transitions. [2021-11-13 22:01:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:44,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:44,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:44,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:01:44,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:44,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:44,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:44,922 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:44,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:44,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:45,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:45,767 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:45,767 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 58 treesize of output 38 [2021-11-13 22:01:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 427 states and 1240 transitions. [2021-11-13 22:01:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1240 transitions. [2021-11-13 22:01:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:45,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:45,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:45,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 22:01:45,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:45,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:01:45,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:46,325 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:46,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:46,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:46,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:47,176 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:47,176 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 58 treesize of output 38 [2021-11-13 22:01:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:47,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 429 states and 1246 transitions. [2021-11-13 22:01:47,257 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1246 transitions. [2021-11-13 22:01:47,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:47,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:47,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:47,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:01:47,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:47,622 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:47,622 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:47,720 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:47,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:47,750 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:47,877 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:47,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:47,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:48,442 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:48,443 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 58 treesize of output 38 [2021-11-13 22:01:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 431 states and 1252 transitions. [2021-11-13 22:01:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1252 transitions. [2021-11-13 22:01:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:48,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:48,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:48,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:01:48,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:48,780 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:48,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:48,874 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:48,874 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:48,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:49,024 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:49,025 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:49,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:49,618 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:49,618 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 58 treesize of output 38 [2021-11-13 22:01:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 433 states and 1258 transitions. [2021-11-13 22:01:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1258 transitions. [2021-11-13 22:01:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:49,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:49,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:49,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:49,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:49,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:50,027 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:50,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:50,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:50,151 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:50,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:50,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:50,317 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:50,317 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:50,914 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:50,915 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 58 treesize of output 38 [2021-11-13 22:01:50,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 435 states and 1264 transitions. [2021-11-13 22:01:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1264 transitions. [2021-11-13 22:01:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:50,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:50,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:51,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:51,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:51,313 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:51,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:51,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:51,459 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:51,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:51,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:51,615 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:51,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:52,173 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:52,173 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 58 treesize of output 38 [2021-11-13 22:01:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 437 states and 1270 transitions. [2021-11-13 22:01:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1270 transitions. [2021-11-13 22:01:52,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:52,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:52,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:52,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:01:52,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:52,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:52,569 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:52,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:52,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:52,669 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:52,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:52,774 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:52,816 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:52,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:53,417 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:53,417 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 58 treesize of output 38 [2021-11-13 22:01:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 439 states and 1276 transitions. [2021-11-13 22:01:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1276 transitions. [2021-11-13 22:01:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:53,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:53,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:53,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:53,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:53,855 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:53,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:53,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:53,969 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:53,970 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:54,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:54,123 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:54,124 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:54,711 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:54,712 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 58 treesize of output 38 [2021-11-13 22:01:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 441 states and 1282 transitions. [2021-11-13 22:01:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1282 transitions. [2021-11-13 22:01:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:54,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:54,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:54,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:54,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:55,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:55,100 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:55,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:55,209 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:55,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:55,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:55,374 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:55,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:55,405 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:55,930 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:55,931 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 58 treesize of output 38 [2021-11-13 22:01:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:55,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 443 states and 1288 transitions. [2021-11-13 22:01:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1288 transitions. [2021-11-13 22:01:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:55,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:55,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:56,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:56,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:56,290 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:56,290 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:56,403 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:56,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:56,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:56,566 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:56,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:56,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:57,160 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:57,160 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 58 treesize of output 38 [2021-11-13 22:01:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 445 states and 1294 transitions. [2021-11-13 22:01:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1294 transitions. [2021-11-13 22:01:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:57,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:57,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:57,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:01:57,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:57,549 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:57,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:01:57,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:57,680 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:57,681 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:57,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:57,838 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:01:57,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:01:57,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:58,429 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:58,429 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 58 treesize of output 38 [2021-11-13 22:01:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 447 states and 1300 transitions. [2021-11-13 22:01:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1300 transitions. [2021-11-13 22:01:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:58,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:58,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:58,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:01:58,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:01:58,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:01:58,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:58,953 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:01:58,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:01:58,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:01:59,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:01:59,865 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:01:59,866 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 58 treesize of output 38 [2021-11-13 22:01:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:01:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 449 states and 1306 transitions. [2021-11-13 22:01:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 1306 transitions. [2021-11-13 22:01:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:59,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:59,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:59,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:01:59,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:00,218 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:00,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:00,275 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:00,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:00,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:00,436 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:00,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:00,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:01,089 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:01,090 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 58 treesize of output 38 [2021-11-13 22:02:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 451 states and 1312 transitions. [2021-11-13 22:02:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1312 transitions. [2021-11-13 22:02:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:01,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:01,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:01,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:01,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:01,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:01,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:01,588 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:01,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:01,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:01,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:02,423 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:02,424 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 58 treesize of output 38 [2021-11-13 22:02:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 453 states and 1318 transitions. [2021-11-13 22:02:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1318 transitions. [2021-11-13 22:02:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:02,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:02,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:02,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:02,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:02,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:02,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:02,916 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:02,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:02,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:03,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:03,786 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:03,786 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 58 treesize of output 38 [2021-11-13 22:02:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 455 states and 1324 transitions. [2021-11-13 22:02:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1324 transitions. [2021-11-13 22:02:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:03,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:03,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:03,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:03,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:04,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:04,191 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:04,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:04,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:04,269 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:04,269 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:04,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:04,397 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:04,397 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:05,005 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:05,006 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 58 treesize of output 38 [2021-11-13 22:02:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 457 states and 1330 transitions. [2021-11-13 22:02:05,064 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1330 transitions. [2021-11-13 22:02:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:05,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:05,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:05,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:05,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:05,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:05,423 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:05,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:05,523 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:05,523 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:05,554 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:05,688 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:05,688 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:05,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:06,273 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:06,273 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 58 treesize of output 38 [2021-11-13 22:02:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 459 states and 1336 transitions. [2021-11-13 22:02:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1336 transitions. [2021-11-13 22:02:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:06,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:06,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:06,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:02:06,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:06,633 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:06,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:06,727 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:06,727 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:06,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:06,906 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:06,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:06,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:07,519 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:07,519 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 58 treesize of output 38 [2021-11-13 22:02:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 461 states and 1342 transitions. [2021-11-13 22:02:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1342 transitions. [2021-11-13 22:02:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:07,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:07,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:07,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:07,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:07,923 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:07,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:08,031 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:08,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:08,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:08,195 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:08,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:08,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:08,804 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:08,804 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 58 treesize of output 38 [2021-11-13 22:02:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 463 states and 1348 transitions. [2021-11-13 22:02:08,879 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1348 transitions. [2021-11-13 22:02:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:08,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:08,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:08,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:08,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:09,306 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:09,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:09,407 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:09,407 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:09,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:09,612 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:09,612 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:09,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:10,264 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:10,264 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 58 treesize of output 38 [2021-11-13 22:02:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:10,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 465 states and 1354 transitions. [2021-11-13 22:02:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1354 transitions. [2021-11-13 22:02:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:10,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:10,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:10,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:02:10,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:10,750 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:10,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:10,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:10,863 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:10,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:10,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:11,011 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:11,011 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:11,618 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:11,618 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 58 treesize of output 38 [2021-11-13 22:02:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 467 states and 1360 transitions. [2021-11-13 22:02:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1360 transitions. [2021-11-13 22:02:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:11,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:11,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:11,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:11,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:11,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:11,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:12,157 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:12,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:12,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:12,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:13,103 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:13,103 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 58 treesize of output 38 [2021-11-13 22:02:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 469 states and 1366 transitions. [2021-11-13 22:02:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1366 transitions. [2021-11-13 22:02:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:13,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:13,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:13,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:13,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:13,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:13,495 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:13,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:13,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:13,595 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:13,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:13,700 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:13,729 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:13,729 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:14,300 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:14,301 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 58 treesize of output 38 [2021-11-13 22:02:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 471 states and 1372 transitions. [2021-11-13 22:02:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1372 transitions. [2021-11-13 22:02:14,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:14,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:14,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:14,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:14,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:14,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:14,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:14,821 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:14,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:14,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:14,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:15,772 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:15,772 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 58 treesize of output 38 [2021-11-13 22:02:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 473 states and 1378 transitions. [2021-11-13 22:02:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1378 transitions. [2021-11-13 22:02:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:15,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:15,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:15,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:02:15,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:16,215 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:16,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:16,330 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:16,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:16,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:16,522 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:16,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:16,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:17,184 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:17,184 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 58 treesize of output 38 [2021-11-13 22:02:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 475 states and 1384 transitions. [2021-11-13 22:02:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1384 transitions. [2021-11-13 22:02:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:17,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:17,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:17,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:17,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:02:17,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:02:17,930 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:17,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:18,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:18,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:18,872 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:18,872 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 58 treesize of output 38 [2021-11-13 22:02:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 477 states and 1390 transitions. [2021-11-13 22:02:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1390 transitions. [2021-11-13 22:02:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:18,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:18,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:18,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:18,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:19,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:19,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:19,362 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:19,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:19,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:20,293 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:20,294 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 58 treesize of output 38 [2021-11-13 22:02:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:20,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 479 states and 1396 transitions. [2021-11-13 22:02:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1396 transitions. [2021-11-13 22:02:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:20,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:20,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:20,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:20,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:20,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:02:20,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:02:21,169 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:21,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:21,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:22,121 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:22,122 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 58 treesize of output 38 [2021-11-13 22:02:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 481 states and 1402 transitions. [2021-11-13 22:02:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1402 transitions. [2021-11-13 22:02:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:22,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:22,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:22,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:22,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:22,508 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:22,508 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:22,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:22,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:22,646 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:22,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:22,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:22,815 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:22,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:23,420 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:23,420 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 58 treesize of output 38 [2021-11-13 22:02:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:23,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 483 states and 1408 transitions. [2021-11-13 22:02:23,480 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1408 transitions. [2021-11-13 22:02:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:23,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:23,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:23,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:23,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:23,797 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:23,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:23,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:23,923 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:23,924 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:23,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:24,099 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:24,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:24,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:24,748 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:24,748 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 58 treesize of output 38 [2021-11-13 22:02:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:24,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 485 states and 1414 transitions. [2021-11-13 22:02:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1414 transitions. [2021-11-13 22:02:24,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:24,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:24,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:24,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:24,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:25,166 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:25,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:25,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:25,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:25,329 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:25,329 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:25,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:25,497 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:25,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:26,156 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:26,156 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 58 treesize of output 38 [2021-11-13 22:02:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 487 states and 1420 transitions. [2021-11-13 22:02:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1420 transitions. [2021-11-13 22:02:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:26,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:26,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:26,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:02:26,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:26,544 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:26,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:26,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:26,654 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:26,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:26,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:26,812 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:26,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:27,468 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:27,469 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 58 treesize of output 38 [2021-11-13 22:02:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 489 states and 1426 transitions. [2021-11-13 22:02:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1426 transitions. [2021-11-13 22:02:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:27,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:27,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:27,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:02:27,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:27,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:27,966 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:27,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:28,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:28,077 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:28,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:28,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:28,235 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:28,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:28,872 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:28,873 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 58 treesize of output 38 [2021-11-13 22:02:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 491 states and 1432 transitions. [2021-11-13 22:02:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1432 transitions. [2021-11-13 22:02:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:28,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:28,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:29,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 22:02:29,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:29,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:29,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:29,502 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:29,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:29,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:29,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:30,465 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:30,466 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 58 treesize of output 38 [2021-11-13 22:02:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 493 states and 1438 transitions. [2021-11-13 22:02:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1438 transitions. [2021-11-13 22:02:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:30,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:30,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:30,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:30,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:30,856 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:30,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:30,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:30,984 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:30,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:31,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:31,138 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:31,139 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:31,740 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:31,740 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 58 treesize of output 38 [2021-11-13 22:02:31,779 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 495 states and 1444 transitions. [2021-11-13 22:02:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1444 transitions. [2021-11-13 22:02:31,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:31,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:31,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:31,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:31,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:32,184 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:32,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:32,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:32,302 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:32,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:32,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:32,481 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:32,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:33,144 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:33,144 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 58 treesize of output 38 [2021-11-13 22:02:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 497 states and 1450 transitions. [2021-11-13 22:02:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1450 transitions. [2021-11-13 22:02:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:33,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:33,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:33,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:02:33,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:33,617 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:33,617 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:33,721 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:33,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:33,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:33,905 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:33,905 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:33,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:34,604 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:34,604 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 58 treesize of output 38 [2021-11-13 22:02:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 499 states and 1456 transitions. [2021-11-13 22:02:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1456 transitions. [2021-11-13 22:02:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:34,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:34,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:34,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:34,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:34,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:34,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:35,150 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:35,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:35,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:35,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:36,160 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:36,160 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 58 treesize of output 38 [2021-11-13 22:02:36,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 501 states and 1462 transitions. [2021-11-13 22:02:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1462 transitions. [2021-11-13 22:02:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:36,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:36,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:36,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:36,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:36,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:36,560 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:36,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:36,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:36,670 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:36,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:36,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:36,821 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:36,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:37,495 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:37,495 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 58 treesize of output 38 [2021-11-13 22:02:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 503 states and 1468 transitions. [2021-11-13 22:02:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1468 transitions. [2021-11-13 22:02:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:37,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:37,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:37,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:02:37,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:37,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:37,941 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:37,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:38,022 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:38,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:38,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:38,176 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:38,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:38,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:38,861 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:38,862 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 58 treesize of output 38 [2021-11-13 22:02:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 505 states and 1474 transitions. [2021-11-13 22:02:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1474 transitions. [2021-11-13 22:02:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:38,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:38,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:38,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:39,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:39,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:39,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:39,436 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:39,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:39,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:39,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:40,372 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:40,372 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 58 treesize of output 38 [2021-11-13 22:02:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 507 states and 1480 transitions. [2021-11-13 22:02:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1480 transitions. [2021-11-13 22:02:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:40,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:40,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:40,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:40,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:40,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:40,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:40,977 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:40,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:40,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:41,877 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:41,877 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 58 treesize of output 38 [2021-11-13 22:02:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:41,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 509 states and 1486 transitions. [2021-11-13 22:02:41,931 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1486 transitions. [2021-11-13 22:02:41,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:41,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:41,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:41,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:02:42,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:42,232 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:42,232 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:42,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:42,332 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:42,332 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:42,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:42,472 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:42,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:42,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:43,099 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:43,100 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 58 treesize of output 38 [2021-11-13 22:02:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 511 states and 1492 transitions. [2021-11-13 22:02:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1492 transitions. [2021-11-13 22:02:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:43,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:43,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:43,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:43,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:43,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:43,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:43,678 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:43,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:43,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:44,669 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:44,670 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 58 treesize of output 38 [2021-11-13 22:02:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 513 states and 1498 transitions. [2021-11-13 22:02:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1498 transitions. [2021-11-13 22:02:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:44,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:44,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:44,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:02:44,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:44,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:44,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:45,201 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:45,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:45,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:45,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:46,183 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:46,183 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 58 treesize of output 38 [2021-11-13 22:02:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 515 states and 1504 transitions. [2021-11-13 22:02:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1504 transitions. [2021-11-13 22:02:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:46,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:46,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:46,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:46,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:46,590 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:46,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:46,660 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:46,710 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:46,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:46,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:46,886 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:46,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:47,545 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:47,545 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 58 treesize of output 38 [2021-11-13 22:02:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 517 states and 1510 transitions. [2021-11-13 22:02:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1510 transitions. [2021-11-13 22:02:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:47,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:47,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:47,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:47,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:47,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:47,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:48,046 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:48,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:48,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:48,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:49,069 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:49,070 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 58 treesize of output 38 [2021-11-13 22:02:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 519 states and 1516 transitions. [2021-11-13 22:02:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1516 transitions. [2021-11-13 22:02:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:49,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:49,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:49,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:49,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:49,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:49,500 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:49,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:49,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:49,600 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:49,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:49,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:49,776 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:49,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:50,477 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:50,478 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 58 treesize of output 38 [2021-11-13 22:02:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 521 states and 1522 transitions. [2021-11-13 22:02:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1522 transitions. [2021-11-13 22:02:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:50,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:50,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:50,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:50,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:50,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:50,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:51,050 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:51,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:51,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:51,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:52,028 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:52,028 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 58 treesize of output 38 [2021-11-13 22:02:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 523 states and 1528 transitions. [2021-11-13 22:02:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1528 transitions. [2021-11-13 22:02:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:52,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:52,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:52,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:02:52,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:52,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:52,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:52,721 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:52,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:52,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:53,738 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:53,738 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 58 treesize of output 38 [2021-11-13 22:02:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 525 states and 1534 transitions. [2021-11-13 22:02:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1534 transitions. [2021-11-13 22:02:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:53,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:53,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:53,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:53,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:54,115 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:54,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:54,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:54,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:54,268 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:54,269 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:54,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:54,418 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:54,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:55,087 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:55,088 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 58 treesize of output 38 [2021-11-13 22:02:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 527 states and 1540 transitions. [2021-11-13 22:02:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1540 transitions. [2021-11-13 22:02:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:55,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:55,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:55,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:02:55,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:55,529 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:55,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:55,629 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:55,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:55,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:55,802 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:55,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:55,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:56,454 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:56,454 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 58 treesize of output 38 [2021-11-13 22:02:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 529 states and 1546 transitions. [2021-11-13 22:02:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1546 transitions. [2021-11-13 22:02:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:56,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:56,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:56,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:56,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:56,858 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:56,858 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:02:56,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:57,007 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:57,008 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:57,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:57,192 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:57,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:02:57,880 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:57,880 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 58 treesize of output 38 [2021-11-13 22:02:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 531 states and 1552 transitions. [2021-11-13 22:02:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1552 transitions. [2021-11-13 22:02:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:57,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:57,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:58,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 22:02:58,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:58,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:58,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:02:58,465 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:02:58,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:02:58,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:02:58,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:02:59,476 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:02:59,476 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 58 treesize of output 38 [2021-11-13 22:02:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:02:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 533 states and 1558 transitions. [2021-11-13 22:02:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1558 transitions. [2021-11-13 22:02:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:59,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:59,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:59,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:02:59,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:02:59,882 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:02:59,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:03:00,007 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:00,008 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:00,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:00,179 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:00,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:00,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:00,906 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:03:00,906 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 58 treesize of output 38 [2021-11-13 22:03:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 535 states and 1564 transitions. [2021-11-13 22:03:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1564 transitions. [2021-11-13 22:03:00,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:00,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:00,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:01,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:03:01,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:01,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:03:01,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:03:01,476 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:03:01,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:03:01,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:01,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:03:02,532 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:03:02,532 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 58 treesize of output 38 [2021-11-13 22:03:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 537 states and 1570 transitions. [2021-11-13 22:03:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1570 transitions. [2021-11-13 22:03:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:02,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:02,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:02,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:03:02,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:02,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:02,983 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:02,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:03:03,063 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:03,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:03,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:03,237 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:03,237 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:03,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:03,971 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:03:03,971 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 58 treesize of output 38 [2021-11-13 22:03:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 539 states and 1576 transitions. [2021-11-13 22:03:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1576 transitions. [2021-11-13 22:03:04,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:04,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:04,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:04,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:03:04,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:04,388 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:04,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:03:04,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:04,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:04,537 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:04,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:04,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:04,712 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:04,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:05,391 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:03:05,392 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 58 treesize of output 38 [2021-11-13 22:03:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 541 states and 1582 transitions. [2021-11-13 22:03:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1582 transitions. [2021-11-13 22:03:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:05,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:05,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:05,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:03:05,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:05,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:03:05,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:03:05,890 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:03:05,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:03:05,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:03:06,954 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:03:06,954 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 58 treesize of output 38 [2021-11-13 22:03:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 543 states and 1588 transitions. [2021-11-13 22:03:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1588 transitions. [2021-11-13 22:03:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:07,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:07,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:07,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:03:07,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:07,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:07,381 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:07,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:03:07,468 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:07,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:07,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:07,655 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:03:07,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:03:07,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:03:08,385 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:03:08,386 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 58 treesize of output 38 [2021-11-13 22:03:08,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 545 states and 1594 transitions. [2021-11-13 22:03:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1594 transitions. [2021-11-13 22:03:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:08,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:08,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:08,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:03:08,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:03:12,561 INFO L354 Elim1Store]: treesize reduction 56, result has 45.1 percent of original size [2021-11-13 22:03:12,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 73 [2021-11-13 22:03:20,263 INFO L354 Elim1Store]: treesize reduction 46, result has 48.9 percent of original size [2021-11-13 22:03:20,264 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 1 case distinctions, treesize of input 43 treesize of output 69 [2021-11-13 22:03:21,559 INFO L354 Elim1Store]: treesize reduction 46, result has 48.9 percent of original size [2021-11-13 22:03:21,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 63 [2021-11-13 22:03:22,119 INFO L244 Elim1Store]: Index analysis took 337 ms [2021-11-13 22:03:25,232 INFO L354 Elim1Store]: treesize reduction 56, result has 45.1 percent of original size [2021-11-13 22:03:25,232 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 1 case distinctions, treesize of input 40 treesize of output 67 [2021-11-13 22:03:48,414 INFO L354 Elim1Store]: treesize reduction 46, result has 48.9 percent of original size [2021-11-13 22:03:48,414 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 1 case distinctions, treesize of input 36 treesize of output 63 [2021-11-13 22:03:50,069 INFO L244 Elim1Store]: Index analysis took 1421 ms [2021-11-13 22:03:51,371 INFO L354 Elim1Store]: treesize reduction 56, result has 45.1 percent of original size [2021-11-13 22:03:51,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 67 [2021-11-13 22:05:39,566 WARN L227 SmtUtils]: Spent 10.29s on a formula simplification. DAG size of input: 92 DAG size of output: 73 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 22:05:39,567 INFO L354 Elim1Store]: treesize reduction 205, result has 54.5 percent of original size [2021-11-13 22:05:39,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 354 [2021-11-13 22:06:05,440 WARN L227 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 16 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 22:07:44,028 WARN L227 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 22:07:55,148 WARN L227 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 16 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 22:08:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:09:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 548 states and 1611 transitions. [2021-11-13 22:09:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1611 transitions. [2021-11-13 22:09:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:02,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:02,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:02,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:09:02,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:02,806 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:02,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:02,913 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:02,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:02,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:03,100 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:03,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:03,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:03,784 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:03,784 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 58 treesize of output 38 [2021-11-13 22:09:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 550 states and 1617 transitions. [2021-11-13 22:09:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1617 transitions. [2021-11-13 22:09:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:03,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:03,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:03,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:09:03,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:03,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:04,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:04,436 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:04,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:04,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:04,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:05,558 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:05,558 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 58 treesize of output 38 [2021-11-13 22:09:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 552 states and 1623 transitions. [2021-11-13 22:09:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1623 transitions. [2021-11-13 22:09:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:05,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:05,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:05,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:05,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:05,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:09:05,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:09:06,486 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:06,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:06,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:07,612 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:07,612 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 58 treesize of output 38 [2021-11-13 22:09:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 554 states and 1629 transitions. [2021-11-13 22:09:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1629 transitions. [2021-11-13 22:09:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:07,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:07,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:07,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:09:07,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:08,092 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:08,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:08,191 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:08,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:08,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:08,370 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:08,370 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:08,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:09,120 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:09,120 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 58 treesize of output 38 [2021-11-13 22:09:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 556 states and 1635 transitions. [2021-11-13 22:09:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1635 transitions. [2021-11-13 22:09:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:09,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:09,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:09,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:09:09,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:09,601 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:09,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:09,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:09,720 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:09,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:09,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:09,872 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:09,872 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:10,519 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:10,520 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 58 treesize of output 38 [2021-11-13 22:09:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:10,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 558 states and 1641 transitions. [2021-11-13 22:09:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1641 transitions. [2021-11-13 22:09:10,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:10,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:10,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:10,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:09:10,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:10,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:10,960 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:10,960 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:11,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:11,078 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:11,079 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:11,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:11,255 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:11,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:11,954 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:11,954 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 58 treesize of output 38 [2021-11-13 22:09:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 560 states and 1647 transitions. [2021-11-13 22:09:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1647 transitions. [2021-11-13 22:09:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:12,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:12,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:12,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:12,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:12,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:12,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:12,478 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:12,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:12,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:13,530 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:13,530 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 58 treesize of output 38 [2021-11-13 22:09:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 562 states and 1653 transitions. [2021-11-13 22:09:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1653 transitions. [2021-11-13 22:09:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:13,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:13,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:13,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:13,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:13,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:13,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:14,070 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:14,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:14,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:15,164 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:15,165 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 58 treesize of output 38 [2021-11-13 22:09:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 564 states and 1659 transitions. [2021-11-13 22:09:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1659 transitions. [2021-11-13 22:09:15,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:15,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:15,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:15,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:09:15,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:15,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:15,623 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:15,623 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:15,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:15,731 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:15,731 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:15,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:15,894 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:15,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:16,572 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:16,573 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 58 treesize of output 38 [2021-11-13 22:09:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 566 states and 1665 transitions. [2021-11-13 22:09:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1665 transitions. [2021-11-13 22:09:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:16,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:16,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:16,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:09:16,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:17,009 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:17,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:17,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:17,135 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:17,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:17,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:17,326 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:17,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:17,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:18,116 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:18,117 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 58 treesize of output 38 [2021-11-13 22:09:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 568 states and 1671 transitions. [2021-11-13 22:09:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1671 transitions. [2021-11-13 22:09:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:18,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:18,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:18,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:18,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:18,565 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:18,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:18,707 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:18,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:18,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:18,923 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:18,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:18,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:19,650 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:19,651 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 58 treesize of output 38 [2021-11-13 22:09:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:19,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 570 states and 1677 transitions. [2021-11-13 22:09:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1677 transitions. [2021-11-13 22:09:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:19,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:19,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:19,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:19,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:19,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:09:19,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:09:20,589 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:20,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:20,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:21,743 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:21,744 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 58 treesize of output 38 [2021-11-13 22:09:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 572 states and 1683 transitions. [2021-11-13 22:09:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1683 transitions. [2021-11-13 22:09:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:21,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:21,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:21,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:21,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:22,168 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:22,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:22,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:22,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:22,340 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:22,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:22,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:22,523 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:22,523 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:23,209 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:23,209 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 58 treesize of output 38 [2021-11-13 22:09:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 574 states and 1689 transitions. [2021-11-13 22:09:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1689 transitions. [2021-11-13 22:09:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:23,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:23,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:23,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:23,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:23,687 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:23,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:23,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:23,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:23,877 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:23,878 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:24,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:24,061 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:24,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:24,792 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:24,792 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 58 treesize of output 38 [2021-11-13 22:09:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 576 states and 1695 transitions. [2021-11-13 22:09:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1695 transitions. [2021-11-13 22:09:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:24,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:24,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:24,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:24,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:25,221 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:25,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:25,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:25,353 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:25,354 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:25,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:25,531 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:25,532 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:25,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:26,269 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:26,269 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 58 treesize of output 38 [2021-11-13 22:09:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 578 states and 1701 transitions. [2021-11-13 22:09:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1701 transitions. [2021-11-13 22:09:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:26,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:26,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:26,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:09:26,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:26,732 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:26,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:26,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:26,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:26,941 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:26,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:27,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:27,143 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:27,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:27,874 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:27,874 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 58 treesize of output 38 [2021-11-13 22:09:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 580 states and 1707 transitions. [2021-11-13 22:09:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1707 transitions. [2021-11-13 22:09:27,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:27,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:27,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:27,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:09:27,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:28,330 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:28,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:28,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:28,524 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:28,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:28,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:28,745 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:28,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:29,513 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:29,513 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 58 treesize of output 38 [2021-11-13 22:09:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 582 states and 1713 transitions. [2021-11-13 22:09:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1713 transitions. [2021-11-13 22:09:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:29,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:29,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:29,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:29,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:29,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:09:29,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:09:30,371 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:30,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:30,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:30,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:31,564 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:31,564 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 58 treesize of output 38 [2021-11-13 22:09:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 584 states and 1719 transitions. [2021-11-13 22:09:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1719 transitions. [2021-11-13 22:09:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:31,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:31,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:31,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:31,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:32,006 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:32,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:32,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:32,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:32,194 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:32,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:32,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:32,416 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:32,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:33,200 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:33,200 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 58 treesize of output 38 [2021-11-13 22:09:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 586 states and 1725 transitions. [2021-11-13 22:09:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1725 transitions. [2021-11-13 22:09:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:33,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:33,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:33,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:33,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:33,666 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:33,667 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:33,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:33,861 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:33,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:34,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:34,065 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:34,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:34,796 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:34,796 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 58 treesize of output 38 [2021-11-13 22:09:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 588 states and 1731 transitions. [2021-11-13 22:09:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1731 transitions. [2021-11-13 22:09:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:34,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:34,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:34,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:09:34,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:35,212 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:35,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:35,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:35,373 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:35,373 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:35,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:35,575 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:35,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:35,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:36,322 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:36,322 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 58 treesize of output 38 [2021-11-13 22:09:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 590 states and 1737 transitions. [2021-11-13 22:09:36,384 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1737 transitions. [2021-11-13 22:09:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:36,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:36,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:36,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:36,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:36,773 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:36,773 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:36,908 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:36,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:36,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:37,136 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:37,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:37,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:37,893 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:37,893 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 58 treesize of output 38 [2021-11-13 22:09:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 592 states and 1743 transitions. [2021-11-13 22:09:37,944 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1743 transitions. [2021-11-13 22:09:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:37,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:37,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:38,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:38,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:38,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:38,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:38,474 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:38,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:38,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:39,635 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:39,635 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 58 treesize of output 38 [2021-11-13 22:09:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 594 states and 1749 transitions. [2021-11-13 22:09:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1749 transitions. [2021-11-13 22:09:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:39,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:39,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:39,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:39,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:39,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:39,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:40,244 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:40,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:40,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:41,453 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:41,453 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 58 treesize of output 38 [2021-11-13 22:09:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 596 states and 1755 transitions. [2021-11-13 22:09:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1755 transitions. [2021-11-13 22:09:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:41,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:41,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:41,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:41,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:41,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:41,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:42,064 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:42,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:42,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:42,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:43,325 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:43,326 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 58 treesize of output 38 [2021-11-13 22:09:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 598 states and 1761 transitions. [2021-11-13 22:09:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1761 transitions. [2021-11-13 22:09:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:43,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:43,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:43,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:43,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:43,838 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:43,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:43,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:43,996 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:43,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:44,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:44,189 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:44,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:44,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:44,964 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:44,964 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 58 treesize of output 38 [2021-11-13 22:09:45,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 600 states and 1767 transitions. [2021-11-13 22:09:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1767 transitions. [2021-11-13 22:09:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:45,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:45,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:45,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:45,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:45,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:45,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:45,574 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:45,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:45,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:46,807 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:46,807 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 58 treesize of output 38 [2021-11-13 22:09:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 602 states and 1773 transitions. [2021-11-13 22:09:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1773 transitions. [2021-11-13 22:09:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:46,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:46,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:46,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:09:46,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:47,265 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:47,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:47,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:47,409 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:47,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:47,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:47,628 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:47,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:48,460 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:48,460 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 58 treesize of output 38 [2021-11-13 22:09:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:48,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 604 states and 1779 transitions. [2021-11-13 22:09:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1779 transitions. [2021-11-13 22:09:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:48,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:48,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:48,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:48,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:48,943 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:48,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:49,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:49,121 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:49,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:49,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:49,329 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:49,329 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:49,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:50,174 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:50,174 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 58 treesize of output 38 [2021-11-13 22:09:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 606 states and 1785 transitions. [2021-11-13 22:09:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1785 transitions. [2021-11-13 22:09:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:50,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:50,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:50,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:09:50,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:50,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:50,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:50,763 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:50,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:50,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:51,827 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:51,828 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 58 treesize of output 38 [2021-11-13 22:09:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 608 states and 1791 transitions. [2021-11-13 22:09:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1791 transitions. [2021-11-13 22:09:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:51,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:51,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:51,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:51,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:52,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:52,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:52,443 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:52,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:52,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:52,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:09:53,690 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:53,691 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 58 treesize of output 38 [2021-11-13 22:09:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 610 states and 1797 transitions. [2021-11-13 22:09:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1797 transitions. [2021-11-13 22:09:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:53,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:53,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:53,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:09:53,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:54,129 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:54,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:54,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:54,257 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:54,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:54,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:54,451 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:54,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:55,266 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:55,266 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 58 treesize of output 38 [2021-11-13 22:09:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:55,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 612 states and 1803 transitions. [2021-11-13 22:09:55,341 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1803 transitions. [2021-11-13 22:09:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:55,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:55,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:55,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:09:55,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:55,807 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:55,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:55,959 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:55,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:56,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:56,188 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:56,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:56,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:57,067 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:57,067 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 58 treesize of output 38 [2021-11-13 22:09:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:57,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:57,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 614 states and 1809 transitions. [2021-11-13 22:09:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1809 transitions. [2021-11-13 22:09:57,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:57,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:57,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:57,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:09:57,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:57,559 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:57,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:09:57,685 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:57,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:57,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:57,921 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:09:57,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:09:57,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:58,800 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:09:58,800 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 58 treesize of output 38 [2021-11-13 22:09:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:09:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 616 states and 1815 transitions. [2021-11-13 22:09:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1815 transitions. [2021-11-13 22:09:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:09:58,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:58,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:58,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:09:58,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:09:59,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:09:59,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:59,444 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:09:59,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:09:59,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:09:59,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:00,708 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:00,708 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 58 treesize of output 38 [2021-11-13 22:10:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 618 states and 1821 transitions. [2021-11-13 22:10:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1821 transitions. [2021-11-13 22:10:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:00,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:00,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:00,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:10:00,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:01,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:01,205 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:01,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:01,307 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:01,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:01,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:01,515 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:01,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:01,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:02,370 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:02,370 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 58 treesize of output 38 [2021-11-13 22:10:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 620 states and 1827 transitions. [2021-11-13 22:10:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1827 transitions. [2021-11-13 22:10:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:02,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:02,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:02,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:10:02,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:02,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:10:02,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:10:03,275 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:03,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:03,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:03,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:04,562 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:04,562 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 58 treesize of output 38 [2021-11-13 22:10:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:04,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 622 states and 1833 transitions. [2021-11-13 22:10:04,616 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1833 transitions. [2021-11-13 22:10:04,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:04,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:04,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:04,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:04,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:05,017 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:05,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:05,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:05,142 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:05,142 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:05,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:05,310 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:05,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:06,117 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:06,117 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 58 treesize of output 38 [2021-11-13 22:10:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 624 states and 1839 transitions. [2021-11-13 22:10:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1839 transitions. [2021-11-13 22:10:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:06,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:06,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:06,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:10:06,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:06,570 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:06,571 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:06,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:06,766 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:06,767 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:06,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:07,001 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:07,002 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:07,773 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:07,773 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 58 treesize of output 38 [2021-11-13 22:10:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 626 states and 1845 transitions. [2021-11-13 22:10:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1845 transitions. [2021-11-13 22:10:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:07,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:07,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:07,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:07,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:08,223 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:08,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:08,353 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:08,354 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:08,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:08,593 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:08,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:08,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:09,517 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:09,518 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 58 treesize of output 38 [2021-11-13 22:10:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 628 states and 1851 transitions. [2021-11-13 22:10:09,583 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1851 transitions. [2021-11-13 22:10:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:09,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:09,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:09,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:10:09,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:09,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:09,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:10,154 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:10,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:10,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:10,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:11,415 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:11,415 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 58 treesize of output 38 [2021-11-13 22:10:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:11,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 630 states and 1857 transitions. [2021-11-13 22:10:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1857 transitions. [2021-11-13 22:10:11,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:11,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:11,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:11,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:10:11,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:11,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:11,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:11,986 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:11,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:12,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:12,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:13,161 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:13,161 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 58 treesize of output 38 [2021-11-13 22:10:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:13,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 632 states and 1863 transitions. [2021-11-13 22:10:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1863 transitions. [2021-11-13 22:10:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:13,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:13,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:13,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:10:13,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:13,655 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:13,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:13,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:13,836 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:13,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:13,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:14,043 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:14,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:14,838 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:14,838 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 58 treesize of output 38 [2021-11-13 22:10:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 634 states and 1869 transitions. [2021-11-13 22:10:14,893 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1869 transitions. [2021-11-13 22:10:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:14,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:14,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:14,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:14,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:15,308 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:15,309 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:15,460 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:15,461 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:15,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:15,709 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:15,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:15,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:16,658 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:16,658 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 58 treesize of output 38 [2021-11-13 22:10:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 636 states and 1875 transitions. [2021-11-13 22:10:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1875 transitions. [2021-11-13 22:10:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:16,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:16,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:16,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:10:16,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:17,144 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:17,145 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:17,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:17,312 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:17,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:17,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:17,556 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:17,556 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:18,338 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:18,339 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 58 treesize of output 38 [2021-11-13 22:10:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 638 states and 1881 transitions. [2021-11-13 22:10:18,390 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1881 transitions. [2021-11-13 22:10:18,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:18,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:18,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:18,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:18,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:18,765 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:18,766 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:18,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:18,929 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:18,929 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:19,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:19,152 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:19,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:20,014 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:20,014 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 58 treesize of output 38 [2021-11-13 22:10:20,050 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 640 states and 1887 transitions. [2021-11-13 22:10:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1887 transitions. [2021-11-13 22:10:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:20,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:20,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:20,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:10:20,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:20,489 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:20,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:20,618 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:20,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:20,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:20,866 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:20,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:20,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:21,775 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:21,775 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 58 treesize of output 38 [2021-11-13 22:10:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:21,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 642 states and 1893 transitions. [2021-11-13 22:10:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1893 transitions. [2021-11-13 22:10:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:21,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:21,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:21,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:21,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:22,266 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:22,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:22,374 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:22,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:22,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:22,603 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:22,603 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:22,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:23,518 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:23,518 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 58 treesize of output 38 [2021-11-13 22:10:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 644 states and 1899 transitions. [2021-11-13 22:10:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1899 transitions. [2021-11-13 22:10:23,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:23,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:23,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:23,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:23,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:24,035 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:24,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:24,172 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:24,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:24,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:24,396 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:24,396 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:24,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:25,272 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:25,272 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 58 treesize of output 38 [2021-11-13 22:10:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:25,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 646 states and 1905 transitions. [2021-11-13 22:10:25,332 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1905 transitions. [2021-11-13 22:10:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:25,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:25,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:25,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:25,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:25,755 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:25,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:25,896 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:25,896 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:25,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:26,099 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:26,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:26,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:26,965 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:26,965 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 58 treesize of output 38 [2021-11-13 22:10:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 648 states and 1911 transitions. [2021-11-13 22:10:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1911 transitions. [2021-11-13 22:10:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:27,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:27,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:27,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:27,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:27,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 39 [2021-11-13 22:10:28,932 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:28,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:29,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:30,204 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:30,205 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 58 treesize of output 38 [2021-11-13 22:10:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 650 states and 1917 transitions. [2021-11-13 22:10:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1917 transitions. [2021-11-13 22:10:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:31,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:31,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:31,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:31,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:31,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:31,742 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:31,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:31,898 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:31,898 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:31,947 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:32,152 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:32,153 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:32,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:33,012 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:33,012 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 58 treesize of output 38 [2021-11-13 22:10:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 652 states and 1923 transitions. [2021-11-13 22:10:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1923 transitions. [2021-11-13 22:10:33,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:33,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:33,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:33,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:33,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:33,484 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:33,484 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:33,627 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:33,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:33,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:33,879 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:33,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:33,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:34,784 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:34,784 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 58 treesize of output 38 [2021-11-13 22:10:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 654 states and 1929 transitions. [2021-11-13 22:10:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1929 transitions. [2021-11-13 22:10:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:34,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:34,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:34,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:34,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:35,256 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:35,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:35,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:35,453 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:35,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:35,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:35,671 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:35,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:35,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:36,605 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:36,606 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 58 treesize of output 38 [2021-11-13 22:10:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 656 states and 1935 transitions. [2021-11-13 22:10:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1935 transitions. [2021-11-13 22:10:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:36,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:36,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:36,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:10:36,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:36,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:36,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:37,176 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:37,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:37,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:38,407 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:38,407 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 58 treesize of output 38 [2021-11-13 22:10:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 658 states and 1941 transitions. [2021-11-13 22:10:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1941 transitions. [2021-11-13 22:10:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:38,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:38,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:38,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:38,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:38,905 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:38,905 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:39,092 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:39,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:39,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:39,321 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:39,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:39,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:40,212 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:40,212 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 58 treesize of output 38 [2021-11-13 22:10:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 660 states and 1947 transitions. [2021-11-13 22:10:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1947 transitions. [2021-11-13 22:10:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:40,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:40,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:40,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:10:40,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:40,710 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:40,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:40,861 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:40,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:40,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:41,106 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:41,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:41,159 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:42,073 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:42,073 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 58 treesize of output 38 [2021-11-13 22:10:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 662 states and 1953 transitions. [2021-11-13 22:10:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1953 transitions. [2021-11-13 22:10:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:42,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:42,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:42,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:42,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:42,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:42,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:42,719 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:42,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:42,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:44,001 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:44,002 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 58 treesize of output 38 [2021-11-13 22:10:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 664 states and 1959 transitions. [2021-11-13 22:10:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1959 transitions. [2021-11-13 22:10:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:44,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:44,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:44,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:10:44,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:44,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:44,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:44,636 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:44,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:44,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:46,008 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:46,008 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 58 treesize of output 38 [2021-11-13 22:10:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 666 states and 1965 transitions. [2021-11-13 22:10:46,071 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1965 transitions. [2021-11-13 22:10:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:46,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:46,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:46,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:10:46,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:46,501 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:46,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:46,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:46,712 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:46,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:46,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:46,934 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:46,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:46,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:47,748 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:47,748 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 58 treesize of output 38 [2021-11-13 22:10:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 668 states and 1971 transitions. [2021-11-13 22:10:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1971 transitions. [2021-11-13 22:10:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:47,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:47,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:47,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:47,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:48,215 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:48,215 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:48,363 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:48,364 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:48,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:48,631 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:48,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:48,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:49,596 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:49,596 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 58 treesize of output 38 [2021-11-13 22:10:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 670 states and 1977 transitions. [2021-11-13 22:10:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1977 transitions. [2021-11-13 22:10:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:49,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:49,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:49,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:49,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:50,092 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:50,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:50,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:50,284 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:50,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:50,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:50,550 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:50,550 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:51,503 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:51,503 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 58 treesize of output 38 [2021-11-13 22:10:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 672 states and 1983 transitions. [2021-11-13 22:10:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1983 transitions. [2021-11-13 22:10:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:51,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:51,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:51,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:10:51,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:51,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:51,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:52,153 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:52,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:10:52,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:52,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:10:53,613 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:53,613 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 58 treesize of output 38 [2021-11-13 22:10:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 674 states and 1989 transitions. [2021-11-13 22:10:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1989 transitions. [2021-11-13 22:10:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:53,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:53,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:53,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:53,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:54,115 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:54,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:54,302 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:54,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:54,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:54,527 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:54,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:54,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:55,392 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:55,392 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 58 treesize of output 38 [2021-11-13 22:10:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:55,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 676 states and 1995 transitions. [2021-11-13 22:10:55,459 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1995 transitions. [2021-11-13 22:10:55,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:55,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:55,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:55,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:10:55,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:55,908 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:55,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:56,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:56,092 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:56,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:56,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:56,343 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:56,343 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:57,287 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:57,287 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 58 treesize of output 38 [2021-11-13 22:10:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 678 states and 2001 transitions. [2021-11-13 22:10:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2001 transitions. [2021-11-13 22:10:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:57,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:57,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:57,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:10:57,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:57,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:57,866 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:57,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:10:58,015 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:58,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:58,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:58,272 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:10:58,273 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:10:58,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:59,268 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:10:59,268 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 58 treesize of output 38 [2021-11-13 22:10:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:10:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 680 states and 2007 transitions. [2021-11-13 22:10:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 2007 transitions. [2021-11-13 22:10:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:10:59,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:59,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:59,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:10:59,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:10:59,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:10:59,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:10:59,969 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:10:59,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:00,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:01,418 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:01,418 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 58 treesize of output 38 [2021-11-13 22:11:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:01,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 682 states and 2013 transitions. [2021-11-13 22:11:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2013 transitions. [2021-11-13 22:11:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:01,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:01,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:01,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:11:01,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:01,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:11:01,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:11:02,403 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:02,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:02,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:03,906 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:03,906 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 58 treesize of output 38 [2021-11-13 22:11:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 684 states and 2019 transitions. [2021-11-13 22:11:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 2019 transitions. [2021-11-13 22:11:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:03,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:03,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:04,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:11:04,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:04,423 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:04,424 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:04,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:04,643 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:04,644 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:04,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:04,901 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:04,902 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:05,727 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:05,727 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 58 treesize of output 38 [2021-11-13 22:11:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 686 states and 2025 transitions. [2021-11-13 22:11:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2025 transitions. [2021-11-13 22:11:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:05,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:05,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:05,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:11:05,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:05,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:05,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:06,381 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:06,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:06,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:07,827 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:07,827 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 58 treesize of output 38 [2021-11-13 22:11:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:07,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:07,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 688 states and 2031 transitions. [2021-11-13 22:11:07,882 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 2031 transitions. [2021-11-13 22:11:07,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:07,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:07,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:07,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 22:11:07,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:08,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:08,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:08,498 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:08,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:08,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:09,943 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:09,943 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 58 treesize of output 38 [2021-11-13 22:11:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:10,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 690 states and 2037 transitions. [2021-11-13 22:11:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 2037 transitions. [2021-11-13 22:11:10,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:10,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:10,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:10,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:11:10,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:10,505 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:10,505 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:10,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:10,700 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:10,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:10,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:10,914 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:10,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:10,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:11,957 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:11,958 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 58 treesize of output 38 [2021-11-13 22:11:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 692 states and 2043 transitions. [2021-11-13 22:11:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2043 transitions. [2021-11-13 22:11:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:12,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:12,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:12,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:11:12,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:12,534 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:12,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:12,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:12,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:12,767 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:12,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:12,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:13,027 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:13,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:14,191 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:14,191 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 58 treesize of output 38 [2021-11-13 22:11:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 694 states and 2049 transitions. [2021-11-13 22:11:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2049 transitions. [2021-11-13 22:11:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:14,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:14,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:14,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:11:14,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:14,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:14,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:14,962 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:14,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:14,980 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:15,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:16,682 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:16,682 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 58 treesize of output 38 [2021-11-13 22:11:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:16,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 696 states and 2055 transitions. [2021-11-13 22:11:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 2055 transitions. [2021-11-13 22:11:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:16,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:16,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:16,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:11:16,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:16,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:16,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:17,479 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:17,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:17,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:19,151 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:19,152 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 58 treesize of output 38 [2021-11-13 22:11:19,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 698 states and 2061 transitions. [2021-11-13 22:11:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 2061 transitions. [2021-11-13 22:11:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:19,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:19,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:19,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:11:19,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:19,710 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:19,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:19,890 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:19,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:19,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:20,163 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:20,163 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:20,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:21,338 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:21,338 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 58 treesize of output 38 [2021-11-13 22:11:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 700 states and 2067 transitions. [2021-11-13 22:11:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 2067 transitions. [2021-11-13 22:11:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:21,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:21,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:21,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:11:21,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:21,837 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:21,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:21,988 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:21,988 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:22,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:22,216 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:22,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:22,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:23,111 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:23,111 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 58 treesize of output 38 [2021-11-13 22:11:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:23,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 702 states and 2073 transitions. [2021-11-13 22:11:23,178 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2073 transitions. [2021-11-13 22:11:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:23,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:23,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:23,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:11:23,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:23,616 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:23,616 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:23,771 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:23,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:23,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:24,045 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:24,045 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:24,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:25,158 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:25,158 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 58 treesize of output 38 [2021-11-13 22:11:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 704 states and 2079 transitions. [2021-11-13 22:11:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2079 transitions. [2021-11-13 22:11:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:25,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:25,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:25,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:11:25,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:25,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:25,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:25,917 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:25,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:25,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:26,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:27,653 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:27,654 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 58 treesize of output 38 [2021-11-13 22:11:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:27,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 706 states and 2085 transitions. [2021-11-13 22:11:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2085 transitions. [2021-11-13 22:11:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:27,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:27,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:27,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:11:27,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:28,224 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:28,224 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:28,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:28,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:28,549 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:28,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:28,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:28,848 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:28,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:29,872 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:29,872 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 58 treesize of output 38 [2021-11-13 22:11:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 708 states and 2091 transitions. [2021-11-13 22:11:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2091 transitions. [2021-11-13 22:11:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:29,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:29,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:30,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:11:30,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:30,445 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:30,445 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:30,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:30,635 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:30,635 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:30,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:30,879 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:30,879 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:32,009 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:32,009 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 58 treesize of output 38 [2021-11-13 22:11:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 710 states and 2097 transitions. [2021-11-13 22:11:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 2097 transitions. [2021-11-13 22:11:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:32,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:32,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:32,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:11:32,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:32,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:32,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 22:11:32,757 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:32,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:32,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:34,298 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:34,299 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 58 treesize of output 38 [2021-11-13 22:11:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 712 states and 2103 transitions. [2021-11-13 22:11:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 2103 transitions. [2021-11-13 22:11:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:34,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:34,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:34,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:11:34,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:34,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:11:34,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:11:35,457 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:35,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:35,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:35,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:36,880 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:36,881 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 58 treesize of output 38 [2021-11-13 22:11:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:36,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 714 states and 2109 transitions. [2021-11-13 22:11:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 2109 transitions. [2021-11-13 22:11:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:36,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:36,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:37,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:11:37,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:37,440 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:37,440 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:37,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:37,703 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:37,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:37,768 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:37,983 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:37,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:38,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:39,058 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:39,058 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 58 treesize of output 38 [2021-11-13 22:11:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 716 states and 2115 transitions. [2021-11-13 22:11:39,129 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 2115 transitions. [2021-11-13 22:11:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:39,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:39,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:39,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:11:39,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:39,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:11:39,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 22:11:40,252 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-13 22:11:40,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 73 [2021-11-13 22:11:40,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:40,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-13 22:11:41,918 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:41,918 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 58 treesize of output 38 [2021-11-13 22:11:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 718 states and 2121 transitions. [2021-11-13 22:11:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 2121 transitions. [2021-11-13 22:11:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:41,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:41,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:42,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:11:42,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:42,484 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:42,484 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 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:42,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:42,693 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:42,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:42,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:42,978 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:42,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:44,006 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:44,007 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 58 treesize of output 38 [2021-11-13 22:11:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 720 states and 2127 transitions. [2021-11-13 22:11:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 2127 transitions. [2021-11-13 22:11:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:44,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:44,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:44,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:11:44,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:44,600 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:44,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:44,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:44,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:44,834 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:44,835 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:45,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:45,078 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:45,079 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:46,160 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-13 22:11:46,161 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 58 treesize of output 38 [2021-11-13 22:11:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:11:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 722 states and 2133 transitions. [2021-11-13 22:11:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 2133 transitions. [2021-11-13 22:11:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:11:46,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:46,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:46,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:11:46,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:11:46,746 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:46,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-13 22:11:46,902 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:46,902 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 1 case distinctions, treesize of input 36 treesize of output 18 [2021-11-13 22:11:46,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:11:47,147 INFO L354 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2021-11-13 22:11:47,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 18