./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array4_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_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/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_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array4_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/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_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/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 51462516d41bb1edc1c2003475b488124e11e4eb166822052c5d908cea262957 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:04:59,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:59,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:59,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:59,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:59,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:59,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:59,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:59,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:59,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:59,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:59,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:59,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:59,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:59,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:59,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:59,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:59,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:59,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:59,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:59,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:59,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:59,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:59,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:59,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:59,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:59,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:59,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:59,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:59,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:59,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:59,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:59,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:59,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:59,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:59,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:59,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:59,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:59,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:59,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:59,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:59,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:04:59,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:59,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:59,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:04:59,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:04:59,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:59,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:59,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:59,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:04:59,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:04:59,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:04:59,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:59,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:04:59,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:59,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:04:59,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:04:59,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:04:59,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:59,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:04:59,471 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:59,471 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:59,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:59,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:59,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:59,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:59,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:04:59,473 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:04:59,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:04:59,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:04:59,473 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_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51462516d41bb1edc1c2003475b488124e11e4eb166822052c5d908cea262957 [2021-11-13 21:04:59,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:59,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:59,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:59,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:59,836 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:59,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array4_pattern.c [2021-11-13 21:04:59,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/data/f8e79eae7/a6f63b44a4714dca8aff300026671170/FLAGa0f786b85 [2021-11-13 21:05:00,435 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:05:00,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/sv-benchmarks/c/array-patterns/array4_pattern.c [2021-11-13 21:05:00,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/data/f8e79eae7/a6f63b44a4714dca8aff300026671170/FLAGa0f786b85 [2021-11-13 21:05:00,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/data/f8e79eae7/a6f63b44a4714dca8aff300026671170 [2021-11-13 21:05:00,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:05:00,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:05:00,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:00,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:05:00,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:05:00,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d55fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00, skipping insertion in model container [2021-11-13 21:05:00,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:05:00,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:05:01,004 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_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2021-11-13 21:05:01,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:01,036 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:05:01,049 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_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2021-11-13 21:05:01,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:01,084 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:05:01,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01 WrapperNode [2021-11-13 21:05:01,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:01,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:01,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:05:01,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:05:01,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:01,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:05:01,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:05:01,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:05:01,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:05:01,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:05:01,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:05:01,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:05:01,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:01,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:05:01,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:05:01,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a263679-3e83-4cf4-9ffb-f414cf3edd9c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:05:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:05:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:05:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:05:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:05:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:05:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:05:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:05:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:05:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:05:01,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:05:01,578 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 21:05:01,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01 BoogieIcfgContainer [2021-11-13 21:05:01,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:05:01,582 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:05:01,582 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:05:01,617 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:05:01,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:05:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-13 21:05:01,719 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-13 21:05:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:05:01,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:01,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:01,971 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 21:05:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2021-11-13 21:05:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-13 21:05:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:05:02,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:02,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 21:05:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 24 states and 33 transitions. [2021-11-13 21:05:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-13 21:05:02,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:05:02,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:05:02,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 21:05:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 55 transitions. [2021-11-13 21:05:03,057 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2021-11-13 21:05:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:03,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:05:03,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:03,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:03,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:05:04,991 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:05:04,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:05:05,312 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:05:05,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:05:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:07,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 88 transitions. [2021-11-13 21:05:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-11-13 21:05:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:07,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:07,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:07,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:05:07,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:07,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:08,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:05:08,942 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:05:08,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:05:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:05:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:10,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 97 transitions. [2021-11-13 21:05:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2021-11-13 21:05:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:10,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:10,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:10,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:05:10,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:10,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:10,161 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:05:11,235 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:05:11,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:05:11,363 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:05:11,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:05:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 97 transitions. [2021-11-13 21:05:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2021-11-13 21:05:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:11,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:11,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:11,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:05:11,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:11,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:11,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:05:22,122 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:05:22,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:05:22,314 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:05:22,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:05:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 97 transitions. [2021-11-13 21:05:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2021-11-13 21:05:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:33,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:33,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:33,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:05:33,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:33,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:33,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:05:41,559 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:05:41,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:05:41,965 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:05:41,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:05:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 61 states and 125 transitions. [2021-11-13 21:05:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2021-11-13 21:05:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:48,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:48,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:48,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:05:48,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:48,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:48,874 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:05:53,355 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:05:53,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:05:53,466 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:05:53,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:05:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 61 states and 125 transitions. [2021-11-13 21:05:53,503 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2021-11-13 21:05:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:53,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:53,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:53,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:05:53,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:53,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:54,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:05:54,410 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:05:54,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:05:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:05:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:55,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 66 states and 135 transitions. [2021-11-13 21:05:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 135 transitions. [2021-11-13 21:05:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:55,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:55,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:55,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:05:55,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:55,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:55,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:05:56,072 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:05:56,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:05:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:05:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:57,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 151 transitions. [2021-11-13 21:05:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2021-11-13 21:05:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:57,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:57,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:57,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:05:57,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:57,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:57,214 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:05:58,016 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:05:58,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:05:58,167 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:05:58,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:05:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 151 transitions. [2021-11-13 21:05:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2021-11-13 21:05:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:58,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:58,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:58,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:05:58,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:58,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:05:58,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:02,591 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:02,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:02,710 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:02,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 78 states and 165 transitions. [2021-11-13 21:06:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 165 transitions. [2021-11-13 21:06:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:07,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:07,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:07,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:07,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:07,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:07,472 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:08,291 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:08,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:08,393 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:08,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 78 states and 165 transitions. [2021-11-13 21:06:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 165 transitions. [2021-11-13 21:06:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:08,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:08,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:08,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:08,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:08,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:08,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:13,244 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:13,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:13,363 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:13,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 78 states and 165 transitions. [2021-11-13 21:06:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 165 transitions. [2021-11-13 21:06:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:13,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:13,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:13,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:13,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:13,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:13,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:14,276 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:14,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:14,407 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:14,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 78 states and 165 transitions. [2021-11-13 21:06:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 165 transitions. [2021-11-13 21:06:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:14,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:14,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:14,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:14,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:14,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:14,559 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:18,958 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:18,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:19,065 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:19,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 81 states and 192 transitions. [2021-11-13 21:06:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2021-11-13 21:06:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:20,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:20,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:20,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:20,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:20,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:20,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:20,965 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:20,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:21,088 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:21,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:21,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 81 states and 192 transitions. [2021-11-13 21:06:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2021-11-13 21:06:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:21,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:21,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:21,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:21,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:21,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:21,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:25,401 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:25,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:25,499 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:25,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 81 states and 192 transitions. [2021-11-13 21:06:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2021-11-13 21:06:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:25,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:25,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:25,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:25,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:25,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:25,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:26,434 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:26,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:26,540 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:26,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:26,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:26,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 81 states and 192 transitions. [2021-11-13 21:06:26,573 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2021-11-13 21:06:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:26,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:26,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:26,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:26,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:26,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:26,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:27,538 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:27,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:27,676 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:27,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 81 states and 192 transitions. [2021-11-13 21:06:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2021-11-13 21:06:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:27,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:27,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:27,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:06:27,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:27,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:28,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:06:28,533 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:28,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:06:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 81 states and 192 transitions. [2021-11-13 21:06:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2021-11-13 21:06:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:28,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:28,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:29,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:06:29,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:29,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:29,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:06:29,422 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:29,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:06:29,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 81 states and 192 transitions. [2021-11-13 21:06:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2021-11-13 21:06:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:29,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:29,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:29,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:06:29,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:29,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:29,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:06:29,879 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:29,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:06:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:30,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:30,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:30,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:30,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:30,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:30,520 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:34,974 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:34,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:35,083 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:35,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:35,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:35,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:35,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:35,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:35,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:35,199 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:39,609 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:39,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:39,748 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:39,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:39,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:39,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:39,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:39,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:39,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:39,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:44,150 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:44,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:44,242 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:44,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:44,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:44,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:44,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:44,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:44,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:45,045 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:45,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:45,163 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:45,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:45,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:45,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:45,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:45,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:45,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:45,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:45,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:49,793 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:49,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:49,890 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:49,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:49,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:49,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:49,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:49,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:50,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:50,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:50,775 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:50,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:50,911 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:50,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:50,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:50,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:50,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:06:50,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:51,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:51,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:51,711 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:51,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:51,820 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:06:51,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:06:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:51,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:51,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:51,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:06:51,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:51,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:52,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:06:52,248 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:52,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:06:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:52,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:52,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:52,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:52,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:52,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:52,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:06:56,660 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:06:56,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:06:56,784 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:06:56,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:06:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:06:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:06:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:06:56,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:56,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:56,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:06:56,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:56,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:06:56,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:01,446 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:01,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:01,543 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:01,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:01,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:01,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:01,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:01,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:01,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:02,433 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:02,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:02,532 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:02,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:02,562 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:02,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:02,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:02,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:02,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:02,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:02,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:02,645 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:03,338 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:03,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:03,491 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:03,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:03,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:03,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:03,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:03,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:03,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:03,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:03,619 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:08,339 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:08,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:08,448 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:08,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:08,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:08,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:08,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:08,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:08,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:08,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:08,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:13,020 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:13,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:13,123 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:13,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:13,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:13,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:13,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:13,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:13,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:13,235 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:17,973 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:17,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:18,076 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:18,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:18,098 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:18,114 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:18,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:18,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:18,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:18,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:18,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:18,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:18,200 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:18,869 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:18,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:18,982 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:18,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:19,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:19,012 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:19,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:19,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:19,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:19,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:19,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:19,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:19,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:23,645 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:23,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:23,769 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:23,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:23,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:23,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:23,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:23,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:23,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:23,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:24,595 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:24,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:24,704 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:24,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:24,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:24,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:24,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:24,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:24,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:24,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:24,821 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:25,468 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:25,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:25,567 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:25,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:25,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:25,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:25,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:25,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:25,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:25,694 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:26,408 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:26,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:26,519 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:26,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:26,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:26,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:26,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:26,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:26,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:26,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:27,288 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:27,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:27,382 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:27,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:27,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:27,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:27,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:27,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:27,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:27,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:31,957 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:31,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:32,052 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:32,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:32,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:32,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:32,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:32,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:32,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:32,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:32,143 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:36,570 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:36,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:36,665 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:36,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:36,690 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:36,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:36,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:36,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:36,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:36,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:36,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:36,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:37,420 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:37,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:37,523 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:37,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:37,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:37,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:37,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:37,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:37,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:37,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:41,901 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:41,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:41,993 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:41,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:42,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:42,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:42,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:42,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:42,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:42,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:42,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:42,788 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:42,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:42,890 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:42,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:42,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:42,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:42,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:42,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:42,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:42,984 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:47,403 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:47,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:47,534 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:47,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:47,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:47,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:47,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:47,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:47,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:47,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:51,979 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:51,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:52,073 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:52,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:52,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:52,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:52,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:52,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:52,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:52,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:52,866 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:52,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:52,961 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:52,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:52,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:52,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:53,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:53,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:53,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:53,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:07:53,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:53,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:53,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:57,347 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:57,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:57,442 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:07:57,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:07:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:57,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:57,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:57,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:57,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:57,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:57,544 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:58,212 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:58,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:58,326 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:58,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:58,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:58,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:58,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:58,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:58,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:58,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:58,444 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:07:59,126 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:07:59,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:07:59,229 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:07:59,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:07:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:07:59,251 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:07:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:07:59,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:59,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:59,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:07:59,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:59,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:07:59,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:00,029 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:00,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:00,126 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:00,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:00,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:00,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:00,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:00,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:00,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:00,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:00,925 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:00,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:01,024 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:01,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:01,046 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:01,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:01,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:01,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:01,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:01,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:01,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:05,582 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:05,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:05,718 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:05,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:05,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:05,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:05,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:05,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:05,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:05,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:10,286 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:10,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:10,392 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:10,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:10,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:10,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:10,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:10,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:10,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:10,504 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:11,162 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:11,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:11,260 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:11,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:11,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:11,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:11,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:11,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:11,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:11,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:12,035 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:12,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:12,139 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:12,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:12,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:12,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:12,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:12,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:12,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:12,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:16,531 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:16,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:16,626 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:16,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:16,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:16,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:16,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:08:16,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:16,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:17,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:08:17,096 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:17,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:08:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:17,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:17,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:17,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:17,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:17,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:17,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:18,017 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:18,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:18,117 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:18,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:18,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:18,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:18,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:18,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:18,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:18,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:18,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:19,009 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:19,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:19,108 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:19,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:19,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:19,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:19,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:19,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:19,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:19,216 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:23,606 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:23,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:23,708 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:23,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:23,717 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:23,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:23,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:23,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:23,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:23,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:23,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:24,607 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:24,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:24,716 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:24,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:24,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:24,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:24,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:24,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:24,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:24,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:29,000 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:29,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:29,100 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:29,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:29,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:29,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:29,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:29,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:29,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:29,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:29,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:33,521 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:33,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:33,618 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:33,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:33,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:33,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:33,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:33,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:33,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:33,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:33,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:37,843 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:37,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:37,938 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:37,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:37,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:37,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:38,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:38,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:38,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:38,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:42,459 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:42,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:42,554 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:42,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:42,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:42,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:42,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:42,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:08:42,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:42,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:42,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:08:42,964 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:42,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:08:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:42,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:42,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:43,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:43,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:43,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:43,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:43,766 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:43,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:43,864 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:43,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:43,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:43,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:43,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:43,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:43,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:43,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:44,817 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:44,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:44,917 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:44,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:44,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:44,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:44,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:44,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:44,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:45,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:45,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:49,458 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:49,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:49,577 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:49,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:49,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:49,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:49,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:49,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:08:49,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:49,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:49,687 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:50,373 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:50,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:50,489 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:08:50,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:08:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:50,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:50,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:50,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:50,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:50,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:50,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:54,830 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:54,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:54,924 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:54,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:54,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:54,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:55,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:55,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:55,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:55,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:08:59,636 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:08:59,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:08:59,744 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:08:59,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:08:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:08:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:08:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:08:59,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:59,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:59,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:08:59,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:59,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:59,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:04,664 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:04,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:04,774 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:04,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:04,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:04,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:04,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:04,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:04,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:04,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:04,886 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:05,814 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:05,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:05,925 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:05,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:05,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:05,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:06,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:09:06,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:06,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:06,031 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:10,623 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:10,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:10,727 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:10,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:10,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:10,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:10,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:10,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:10,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:10,833 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:11,536 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:11,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:11,655 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:11,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:11,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:11,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:11,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:11,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:11,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:11,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:12,506 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:12,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:12,620 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:12,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:12,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:12,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:12,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:12,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:12,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:12,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:13,457 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:13,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:13,576 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:13,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:13,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:13,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:13,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:13,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:13,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:13,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:14,391 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:14,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:14,501 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:14,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:14,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:14,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:14,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:14,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:14,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:14,610 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:15,341 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:15,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:15,454 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:15,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:15,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:15,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:15,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:09:15,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:15,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:15,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:20,655 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:20,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:20,764 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:20,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:20,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:20,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:20,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:09:20,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:20,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:21,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:09:21,311 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:21,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:09:21,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:21,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:21,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:21,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:21,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:21,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:21,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:22,192 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:22,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:22,313 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:22,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:22,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:22,350 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:22,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:22,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:22,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:09:22,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:22,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:22,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:27,371 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:27,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:27,481 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:27,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:27,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:27,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:27,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:27,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:27,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:27,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:27,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:28,366 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:28,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:28,495 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:28,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:28,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:28,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:28,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:09:28,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:28,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:28,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:09:28,982 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:28,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:09:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 196 transitions. [2021-11-13 21:09:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2021-11-13 21:09:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:29,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:29,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:29,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:09:29,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:29,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:29,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:09:29,398 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:09:29,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:09:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:09:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:30,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:30,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:30,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:09:30,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:30,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:30,577 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:34,926 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:34,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:35,034 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:35,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:35,075 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:35,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:35,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:35,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:35,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:35,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:35,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:35,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:35,845 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:35,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:35,946 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:35,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:35,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:35,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:35,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:36,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:36,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:36,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:36,059 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:36,865 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:36,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:36,967 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:36,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:36,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:36,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:37,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:37,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:37,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:37,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:37,758 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:37,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:37,864 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:37,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:37,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:37,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:37,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:37,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:37,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:37,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:37,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:38,717 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:38,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:38,824 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:38,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:38,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:38,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:38,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:38,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:38,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:38,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:39,616 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:39,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:39,720 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:39,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:39,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:39,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:39,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:09:39,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:39,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:39,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:09:40,078 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:09:40,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:09:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:09:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:40,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:40,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:40,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:40,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:40,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:40,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:40,994 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:40,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:41,115 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:41,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:41,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:41,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:41,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:09:41,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:41,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:41,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:45,586 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:45,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:45,691 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:45,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:45,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:45,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:45,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:45,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:45,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:45,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:45,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:46,530 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:46,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:46,643 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:46,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:46,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:46,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:46,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:46,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:46,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:46,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:47,407 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:47,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:47,509 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:47,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:47,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:47,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:47,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:47,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:47,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:47,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:48,303 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:48,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:48,408 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:48,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:48,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:48,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:48,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:48,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:48,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:49,191 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:49,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:49,298 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:49,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:49,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:49,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:49,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:49,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:49,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:49,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:50,066 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:50,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:50,176 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:50,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:50,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:50,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:50,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:50,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:50,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:50,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:50,954 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:50,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:51,060 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:51,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:51,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:51,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:51,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:51,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:51,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:51,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:52,032 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:52,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:52,146 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:52,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:52,173 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:52,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:52,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:52,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:09:52,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:52,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:52,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:56,755 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:56,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:56,850 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:09:56,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:09:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:56,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:56,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:56,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:09:56,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:56,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:56,964 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:09:57,752 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:09:57,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:09:57,858 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:09:57,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:09:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:09:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:09:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:09:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:09:57,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:57,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:57,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:09:57,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:57,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:57,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:02,555 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:02,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:02,655 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:02,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:02,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:02,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:02,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:02,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:02,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:02,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:07,590 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:07,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:07,689 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:07,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:07,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:07,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:07,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:07,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:07,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:07,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:12,278 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:12,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:12,376 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:12,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:12,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:12,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:12,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:10:12,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:12,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:12,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:13,160 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:13,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:13,267 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:10:13,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:10:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:13,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:13,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:13,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:13,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:10:13,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:13,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:13,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:10:13,746 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:10:13,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:10:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:10:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:13,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:13,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:13,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:10:13,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:13,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:13,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:14,583 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:14,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:14,689 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:10:14,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:10:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:14,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:14,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:14,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:14,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:14,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:14,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:19,111 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:19,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:19,209 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:19,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:19,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:19,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:19,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:19,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:19,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:19,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:23,868 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:23,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:23,962 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:23,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:23,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:23,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:24,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:24,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:24,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:24,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:28,559 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:28,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:28,659 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:28,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:28,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:28,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:28,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:28,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:28,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:28,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:33,125 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:33,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:33,222 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:33,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:33,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:33,254 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:33,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:33,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:33,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:10:33,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:33,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:33,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:10:33,629 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:33,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:10:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:33,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:33,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:33,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:10:33,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:33,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:33,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:34,412 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:34,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:34,522 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:10:34,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:10:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:34,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:34,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:34,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:34,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:34,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:34,638 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:39,121 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:39,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:39,225 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:39,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:39,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:39,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:39,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:39,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:39,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:39,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:43,844 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:43,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:43,944 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:43,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:43,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:43,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:44,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:44,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:44,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:44,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:10:58,579 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:10:58,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:10:58,686 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:10:58,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:10:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:10:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:10:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:10:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:10:58,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:58,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:58,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:10:58,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:58,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:10:58,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:03,882 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:03,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:03,991 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:03,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:04,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 84 states and 217 transitions. [2021-11-13 21:11:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2021-11-13 21:11:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:04,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:04,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:04,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:04,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:04,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:04,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:05,141 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:05,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 85 states and 220 transitions. [2021-11-13 21:11:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 220 transitions. [2021-11-13 21:11:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:06,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:06,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:06,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:06,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:06,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:06,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:06,925 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:06,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 85 states and 220 transitions. [2021-11-13 21:11:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 220 transitions. [2021-11-13 21:11:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:06,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:06,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:07,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:07,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:07,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:07,572 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:08,042 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:08,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:09,406 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:09,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:09,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:09,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:11:09,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:09,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:09,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:09,956 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:09,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:09,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:09,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:09,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:10,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:11:10,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:10,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:10,092 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:10,982 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:10,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:11,098 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:11,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:11,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:11,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:11,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:11,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:11,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:11,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:11,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:11,504 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:11,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:11,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:11,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:11,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:11:11,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:11,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:11,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:12,520 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:12,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:12,651 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:12,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:12,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:12,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:12,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:12,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:12,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:13,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:13,165 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:13,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:13,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:13,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:13,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:13,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:13,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:13,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:14,430 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:14,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:15,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:15,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:15,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:15,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:15,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:15,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:15,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:16,484 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:16,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:17,300 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:17,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:17,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:17,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:11:17,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:17,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:17,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:17,763 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:17,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:17,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:17,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:17,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:17,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:17,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:18,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:18,209 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:18,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:18,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:18,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:18,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:18,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:18,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:18,577 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:18,762 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:18,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:18,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:18,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:18,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:18,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:18,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:19,112 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:19,326 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:19,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:19,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:19,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:19,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:19,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:19,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:19,636 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:19,804 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:19,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:19,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:19,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:19,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:19,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:19,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:20,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:20,300 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:20,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:20,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:20,325 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:20,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:20,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:20,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:20,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:20,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:20,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:20,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:20,763 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:20,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:20,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:20,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:20,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:20,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:20,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:21,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:21,241 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:21,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:21,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:21,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:21,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:11:21,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:21,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:21,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:22,103 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:22,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:22,225 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:22,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:22,244 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:22,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:22,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:22,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:11:22,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:22,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:22,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:22,717 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:22,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:22,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:22,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:22,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:22,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:22,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:22,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:23,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:23,174 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:23,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:23,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:23,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:23,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:23,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:23,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:23,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:23,733 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:23,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:23,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:23,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:23,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:11:23,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:23,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:24,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:24,122 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:24,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:11:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:24,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:24,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:24,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:24,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:24,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:24,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:24,570 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:24,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:24,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:24,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:24,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:24,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:24,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:24,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:25,064 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:25,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:25,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:25,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:25,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:11:25,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:25,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:25,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:25,502 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:25,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:11:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:25,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:25,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:25,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:25,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:25,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:25,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:25,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:26,040 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:26,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 86 states and 223 transitions. [2021-11-13 21:11:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 223 transitions. [2021-11-13 21:11:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:26,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:26,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:26,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:26,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:26,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:26,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:26,596 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:26,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:27,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:27,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:27,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:27,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:27,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:27,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:27,655 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:27,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:27,693 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:27,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:27,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:27,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:27,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:27,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:27,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:27,941 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:28,082 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:28,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:28,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:28,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:28,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:28,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:28,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:28,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:28,598 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:28,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:28,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:28,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:28,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:11:28,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:28,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:28,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:29,012 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:29,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:11:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:29,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:29,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:29,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:29,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:29,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:29,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:29,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:29,345 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:29,516 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:29,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:29,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:29,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:29,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:29,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:29,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:29,786 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:29,930 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:29,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:29,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:29,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:30,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:30,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:30,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:30,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:30,487 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:30,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:30,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:30,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:30,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:30,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:30,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:30,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:30,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:30,937 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:30,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:30,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:30,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:30,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:30,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:31,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:31,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:31,469 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:31,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:31,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:31,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:31,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:31,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:31,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:31,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:32,053 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:32,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:32,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:32,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:32,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:32,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:32,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:32,345 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:32,534 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:32,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:32,543 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:32,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:32,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:32,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:32,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:32,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:32,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:32,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:33,034 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:33,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:33,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:33,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:33,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:33,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:33,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:33,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:33,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:33,452 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:33,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:33,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:33,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:33,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:33,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:33,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:33,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:34,068 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:34,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:34,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:34,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:34,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:34,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:34,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:34,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:34,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:34,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:34,600 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:34,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 234 transitions. [2021-11-13 21:11:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2021-11-13 21:11:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:34,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:34,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:34,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:34,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:34,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:34,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:35,100 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:35,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 253 transitions. [2021-11-13 21:11:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 253 transitions. [2021-11-13 21:11:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:36,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:36,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:36,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:36,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:36,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:36,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:36,570 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:36,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:41,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:41,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:41,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:41,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:41,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:41,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:41,638 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:41,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:41,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:41,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:41,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:41,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:11:41,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:41,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:41,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:42,504 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:42,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:42,623 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:42,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:42,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:42,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:42,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:11:42,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:42,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:43,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:43,279 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:43,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:43,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:43,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:43,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:43,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:43,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:43,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:43,773 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:43,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:43,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:43,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:43,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:43,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:43,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:44,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:44,228 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:44,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:44,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:44,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:44,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:44,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:44,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:44,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:44,942 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:44,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:44,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:44,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:44,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:45,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:11:45,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:45,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:45,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:45,846 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:45,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:45,962 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:45,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:45,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:45,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:46,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:46,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:46,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:46,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:46,459 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:46,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 93 states and 274 transitions. [2021-11-13 21:11:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 274 transitions. [2021-11-13 21:11:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:46,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:46,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:46,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:46,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:46,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:46,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:47,027 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:47,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:47,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:47,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:48,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:48,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:48,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:48,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:48,438 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:48,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:48,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:48,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:48,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:48,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:48,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:48,742 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:48,936 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:48,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:48,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:48,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:49,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:49,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:49,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:49,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:49,392 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:49,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:49,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:49,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:49,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:49,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:49,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:49,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:49,834 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:49,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:49,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:49,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:49,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:11:49,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:49,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:50,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:50,245 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:50,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:11:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:50,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:50,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:50,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:50,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:50,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:50,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:50,716 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:50,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:50,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:50,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:50,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:11:50,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:50,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:50,837 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:51,556 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:51,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:51,685 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:51,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:51,693 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:51,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:51,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:51,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:51,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:51,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:51,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:52,143 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:52,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 95 states and 291 transitions. [2021-11-13 21:11:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 291 transitions. [2021-11-13 21:11:52,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:52,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:52,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:52,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:52,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:52,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:52,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:52,651 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:52,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:55,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:55,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:55,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:11:55,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:55,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:55,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:11:56,577 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:11:56,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:11:56,698 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:56,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:11:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:56,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:56,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:56,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:56,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:56,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:57,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:57,313 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:57,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:57,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:57,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:57,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:57,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:11:57,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:57,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:57,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:57,871 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:11:57,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:11:57,880 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:57,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:57,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:57,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:57,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:57,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:58,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:11:58,351 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:58,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:11:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:58,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:58,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:58,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:11:58,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:58,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:58,686 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:58,896 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:11:58,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:11:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:58,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:58,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:58,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:11:58,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:58,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:59,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:59,342 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:11:59,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:11:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:59,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:59,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:59,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:59,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:59,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:59,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:59,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:11:59,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:11:59,871 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:11:59,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:11:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:11:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:11:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:11:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:11:59,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:59,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:59,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:11:59,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:59,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:00,179 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:00,387 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:00,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:12:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:12:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:00,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:00,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:00,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:00,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:00,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:00,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:00,961 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:00,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:12:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:12:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:00,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:00,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:01,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:01,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:01,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:01,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:01,546 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:01,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:12:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:12:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:01,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:01,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:01,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:01,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:01,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:01,820 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:01,995 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:01,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:12:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:12:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:02,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:02,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:02,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:02,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:02,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:02,475 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:02,726 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:02,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:02,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 301 transitions. [2021-11-13 21:12:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-13 21:12:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:02,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:02,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:02,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:02,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:02,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:03,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:03,189 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:03,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:04,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:04,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:04,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:12:04,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:04,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:04,204 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:12:19,581 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:12:19,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:12:19,700 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:19,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:12:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:12:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:19,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:19,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:19,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:19,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:19,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:19,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:20,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:20,109 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:20,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:20,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:20,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:20,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:20,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:20,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:20,459 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:20,681 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:20,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:20,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:20,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:20,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:20,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:12:20,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:20,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:20,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:12:21,549 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:12:21,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:12:21,681 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:21,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:21,691 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:12:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:21,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:21,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:21,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:21,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:21,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:22,039 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:22,276 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:22,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:22,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:22,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:22,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:22,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:22,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:22,591 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:22,752 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:22,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:22,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:22,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:22,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:22,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:22,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:23,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:23,322 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:23,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:23,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:23,349 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:23,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:23,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:23,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:12:23,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:23,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:23,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:23,834 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:23,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:23,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:23,856 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:23,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:23,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:23,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:23,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:23,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:24,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:24,349 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:24,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:24,373 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:24,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:24,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:24,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:24,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:24,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:24,713 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:24,932 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:24,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:24,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:24,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:25,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:12:25,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:25,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:25,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:12:25,878 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:12:25,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:12:25,996 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:25,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:12:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:26,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:26,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:26,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:26,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:26,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:26,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:26,393 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:26,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:26,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:26,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:26,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:26,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:26,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:26,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:26,897 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:26,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:26,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:26,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:26,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:26,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:26,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:27,266 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:27,496 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:27,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:27,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:27,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:27,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:27,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:27,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:27,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:27,994 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:27,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:28,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:28,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:28,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:28,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:28,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:28,266 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:28,441 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:28,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:28,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:28,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:28,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:28,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:28,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:28,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:28,991 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:28,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:12:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:29,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:29,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:29,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:29,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:29,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:29,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:29,512 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:29,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:29,540 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:29,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:29,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:29,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:29,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:29,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:29,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:29,960 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:29,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:29,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:29,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:30,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:30,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:30,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:30,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:30,528 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:30,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:30,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:30,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:30,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:30,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:30,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:30,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:30,933 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:30,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:30,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:30,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:31,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:31,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:31,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:31,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:31,500 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:31,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:31,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:31,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:31,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:31,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:31,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:31,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:32,132 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:32,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:32,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:32,156 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:32,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:32,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:32,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:32,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:32,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:32,442 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:32,639 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:32,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:32,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:32,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:32,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:32,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:32,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:32,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:33,293 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:33,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:33,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:33,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:33,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:33,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:33,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:33,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:33,789 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:33,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:33,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:33,833 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:33,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:33,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:33,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:33,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:33,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:34,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:34,219 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:34,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:34,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:34,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:34,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:34,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:34,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:34,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:34,833 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:34,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:12:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:34,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:34,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:34,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:34,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:34,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:35,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:35,457 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:35,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:35,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:35,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:35,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:35,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:12:35,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:35,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:35,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:36,111 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:36,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:36,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:36,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:36,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:36,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:36,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:36,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:36,563 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:36,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:36,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:36,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:36,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:36,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:36,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:36,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:36,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:37,068 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:37,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:12:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:37,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:37,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:37,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:37,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:37,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:37,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:37,587 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:37,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:37,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:37,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:37,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:37,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:37,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:37,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:38,000 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:38,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:38,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:38,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:38,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:38,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:38,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:38,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:38,486 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:38,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:38,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:38,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:38,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:38,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:38,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:38,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:39,058 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:39,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:39,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:39,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:39,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:39,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:39,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:39,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:39,585 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:39,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:39,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:39,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:39,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:39,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:39,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:39,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:40,070 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:40,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:40,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:40,110 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:40,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:40,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:40,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:40,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:40,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:40,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:40,532 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:40,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:40,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:40,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 326 transitions. [2021-11-13 21:12:40,557 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-13 21:12:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:40,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:40,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:40,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:40,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:40,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:40,807 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:40,979 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:40,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:41,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:41,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:41,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:41,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:41,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:41,886 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:42,120 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:42,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:42,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:42,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:42,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:42,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:42,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:42,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:42,663 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:42,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:42,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:42,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:42,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:42,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:42,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:43,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:43,270 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:12:43,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:12:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:43,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:43,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:43,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:43,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:43,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:43,614 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:43,854 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:43,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:43,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:43,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:43,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:43,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:43,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:44,189 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:44,393 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:44,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:44,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:44,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:44,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:44,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:44,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:44,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:44,812 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:45,109 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:45,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:45,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:45,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:45,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:45,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:45,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:45,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:45,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:45,680 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:45,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:45,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:45,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:45,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:45,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:45,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:46,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:46,225 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:46,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:46,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:46,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:46,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:46,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:46,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:46,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:46,704 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:46,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:46,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:46,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:46,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:46,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:12:46,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:46,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:47,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:47,239 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:47,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:47,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:47,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:47,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:47,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:47,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:47,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:47,676 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:47,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:47,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:47,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:47,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:47,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:12:47,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:47,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:48,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:48,198 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:48,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:48,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:48,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:48,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:48,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:48,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:48,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:48,640 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:48,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:48,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:48,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:48,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:48,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:12:48,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:48,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:48,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:49,130 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:49,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:12:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:49,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:49,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:49,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:49,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:49,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:49,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:49,550 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:49,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:49,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:49,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:49,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:49,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:49,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:49,880 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:50,097 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:50,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:50,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:50,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:50,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:12:50,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:50,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:50,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:12:51,084 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:12:51,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:12:51,217 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:51,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:12:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:51,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:51,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:51,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:51,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:51,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:51,552 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:51,795 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:51,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:51,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:51,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:51,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:12:51,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:51,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:51,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:12:52,686 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:12:52,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:12:52,819 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:52,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:12:52,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 103 states and 341 transitions. [2021-11-13 21:12:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 341 transitions. [2021-11-13 21:12:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:52,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:52,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:52,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:52,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:52,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:53,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:53,237 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:53,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 105 states and 356 transitions. [2021-11-13 21:12:54,156 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 356 transitions. [2021-11-13 21:12:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:54,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:54,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:54,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:12:54,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:54,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:54,261 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:12:54,999 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:12:54,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:12:55,139 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:55,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:12:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 105 states and 356 transitions. [2021-11-13 21:12:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 356 transitions. [2021-11-13 21:12:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:55,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:55,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:55,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:55,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:55,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:55,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:55,619 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:55,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:12:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 105 states and 356 transitions. [2021-11-13 21:12:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 356 transitions. [2021-11-13 21:12:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:55,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:55,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:55,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:55,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:55,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:55,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:56,163 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:56,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 105 states and 356 transitions. [2021-11-13 21:12:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 356 transitions. [2021-11-13 21:12:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:56,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:56,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:56,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:12:56,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:56,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:56,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:56,633 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:56,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:12:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 105 states and 356 transitions. [2021-11-13 21:12:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 356 transitions. [2021-11-13 21:12:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:56,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:56,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:56,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:12:56,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:56,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:56,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:12:57,571 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:12:57,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:12:57,701 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:12:57,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:12:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:12:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 105 states and 356 transitions. [2021-11-13 21:12:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 356 transitions. [2021-11-13 21:12:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:57,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:57,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:57,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:12:57,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:57,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:58,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:12:58,235 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:12:58,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:12:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:12:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 105 states and 356 transitions. [2021-11-13 21:12:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 356 transitions. [2021-11-13 21:12:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:12:58,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:58,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:58,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:12:58,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:12:58,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:12:58,627 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:12:58,846 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:12:58,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:12:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:03,955 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:03,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:03,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:04,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:13:04,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:04,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:04,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:04,455 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:04,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:04,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:04,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:04,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:13:04,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:04,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:04,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:04,978 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:04,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:05,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:05,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:05,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:05,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:05,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:05,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:05,538 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:05,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:05,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:05,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:05,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:05,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:05,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:05,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:06,007 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:06,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:06,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:06,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:06,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:13:06,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:06,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:06,117 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:11,500 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:11,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:11,628 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:11,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:11,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:11,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:11,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:13:11,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:11,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:11,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:12,063 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:12,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:13:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:12,091 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:12,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:12,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:12,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:13:12,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:12,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:12,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:12,576 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:12,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 107 states and 371 transitions. [2021-11-13 21:13:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 371 transitions. [2021-11-13 21:13:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:12,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:12,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:12,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:12,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:12,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:12,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:13,140 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:13,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 112 states and 386 transitions. [2021-11-13 21:13:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 386 transitions. [2021-11-13 21:13:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:13,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:13,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:13,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:13:13,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:13,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:13,866 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:14,840 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:14,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:14,974 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:14,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 112 states and 386 transitions. [2021-11-13 21:13:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 386 transitions. [2021-11-13 21:13:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:15,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:15,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:15,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:15,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:15,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:15,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:15,458 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:15,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 112 states and 386 transitions. [2021-11-13 21:13:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 386 transitions. [2021-11-13 21:13:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:15,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:15,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:15,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:15,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:15,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:15,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:16,101 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:13:16,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:13:16,109 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:16,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 112 states and 386 transitions. [2021-11-13 21:13:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 386 transitions. [2021-11-13 21:13:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:16,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:16,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:16,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:16,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:16,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:16,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:16,632 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:16,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:17,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:17,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:17,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:17,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:17,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:17,827 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:13:17,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:13:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:17,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:17,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:17,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:13:17,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:17,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:18,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:18,330 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:18,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:13:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:18,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:18,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:18,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:13:18,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:18,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:18,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:18,822 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:18,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:13:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:18,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:18,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:18,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:18,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:18,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:18,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:18,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:19,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:19,432 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:19,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:19,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:19,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:19,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:13:19,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:19,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:19,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:19,909 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:19,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:13:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:19,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:19,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:19,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:19,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:13:19,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:20,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:20,218 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:20,418 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:20,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:13:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:20,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:20,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:20,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:13:20,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:20,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:20,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:20,953 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:20,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:20,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:20,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:20,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:21,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:13:21,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:21,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:21,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:21,370 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:21,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:13:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:21,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:21,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:21,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:13:21,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:21,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:21,669 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:21,860 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:21,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:13:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:21,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:21,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:21,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:21,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:21,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:22,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:22,357 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:22,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:22,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:22,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:22,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:13:22,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:22,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:22,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:23,247 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:23,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:23,388 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:23,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:23,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:23,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:23,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:13:23,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:23,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:23,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:23,810 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:23,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:13:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:23,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:23,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:23,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:23,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:23,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:24,143 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:24,409 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:24,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:24,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:24,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:24,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:24,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:24,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:24,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:25,009 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:13:25,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:13:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:25,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:25,031 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:25,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:25,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:25,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:13:25,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:25,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:25,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:25,912 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:25,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:26,058 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:26,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:26,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:26,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:26,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:26,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:26,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:26,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:26,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:26,551 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:26,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:26,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:26,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:26,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:26,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:26,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:26,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:26,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:26,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:27,168 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:13:27,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:13:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:27,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:27,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:27,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:27,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:27,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:27,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:27,654 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:27,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:27,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:27,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:27,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:13:27,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:27,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:27,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:33,220 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:33,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:33,344 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:33,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:33,352 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:33,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:33,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:33,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:13:33,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:33,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:33,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:33,890 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:33,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:33,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:33,918 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:33,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:33,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:33,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:33,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:33,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:34,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:34,389 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:34,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:34,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:34,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:34,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:34,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:34,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:34,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:34,886 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:34,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:34,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:34,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:34,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:13:34,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:34,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:35,191 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:35,385 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:35,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:13:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:35,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:35,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:35,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:35,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:35,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:35,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:35,931 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:35,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:35,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:35,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:36,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:36,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:36,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:36,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:36,505 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:36,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:36,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:36,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:36,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:36,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:36,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:36,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:37,087 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:37,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:37,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:37,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:37,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:13:37,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:37,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:37,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:37,583 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:37,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:13:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:37,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:37,612 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:37,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:37,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:37,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:37,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:37,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:37,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:37,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:38,155 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:38,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:38,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:38,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:38,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:13:38,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:38,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:38,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:38,602 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:38,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:13:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:38,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:38,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:38,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:13:38,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:38,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:38,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:39,133 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:39,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:39,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:39,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:39,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:39,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:13:39,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:39,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:39,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:40,054 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:40,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:40,201 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:40,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:40,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:40,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:40,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:13:40,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:40,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:40,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:40,767 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:40,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:40,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:40,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:40,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:13:40,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:40,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:40,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:46,411 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:46,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:46,540 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:46,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:46,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:46,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:46,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:13:46,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:46,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:46,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:47,505 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:47,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:47,637 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:13:47,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:13:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:47,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:47,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:47,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:13:47,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:47,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:47,750 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:13:53,449 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:13:53,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:13:53,584 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:53,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:13:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:13:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:53,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:53,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:53,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:53,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:13:53,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:53,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:53,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:13:54,001 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:54,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:13:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:54,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:54,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:54,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:13:54,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:54,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:54,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:54,484 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:13:54,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:13:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:54,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:54,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:54,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:13:54,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:54,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:54,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:55,094 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:13:55,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:13:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:13:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 117 states and 402 transitions. [2021-11-13 21:13:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 402 transitions. [2021-11-13 21:13:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:13:55,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:55,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:55,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:13:55,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:13:55,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:13:55,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:13:55,773 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:13:55,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:13:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:01,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:01,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:01,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:01,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:01,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:01,416 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:01,634 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:01,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:01,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:01,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:01,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:01,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:01,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:01,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:02,224 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:02,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:02,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:02,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:02,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:02,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:02,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:02,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:02,836 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:02,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:02,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:02,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:02,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:02,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:02,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:03,188 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:03,444 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:03,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:03,470 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:03,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:03,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:03,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:03,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:03,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:03,779 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:04,009 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:04,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:04,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:04,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:04,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:04,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:04,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:04,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:04,637 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:04,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:04,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:04,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:04,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:04,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:14:04,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:04,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:05,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:05,201 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:05,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:05,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:05,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:05,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:05,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:05,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:05,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:05,686 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:05,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:05,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:05,709 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:05,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:05,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:05,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:14:05,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:05,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:05,797 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:11,305 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:11,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:11,487 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:11,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:11,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 119 states and 420 transitions. [2021-11-13 21:14:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-13 21:14:11,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:11,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:11,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:11,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:11,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:11,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:11,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:12,032 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:12,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:18,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:18,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:18,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:18,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:18,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:18,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:18,638 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:18,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:18,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:18,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:18,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:18,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:18,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:18,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:19,231 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:19,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:19,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:19,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:19,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:19,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:19,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:19,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:19,725 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:19,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:19,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:19,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:19,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:19,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:14:19,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:19,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:20,031 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:20,240 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:14:20,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:14:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:20,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:20,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:20,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:20,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:20,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:20,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:20,591 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:20,837 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:20,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:20,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:20,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:20,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:20,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:20,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:21,202 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:21,463 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:21,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:21,490 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:21,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:21,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:21,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:21,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:21,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:21,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:22,052 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:22,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:22,081 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:22,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:22,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:22,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:22,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:22,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:22,416 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:22,665 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:22,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:22,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:22,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:22,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:22,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:22,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:23,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:23,328 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:23,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:23,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:23,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:23,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:23,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:23,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:23,491 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:24,365 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:24,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:24,517 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:24,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:24,544 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:24,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:24,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:24,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:24,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:24,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:24,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:25,458 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:25,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:25,606 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:25,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:25,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:25,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:25,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:25,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:25,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:25,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:26,264 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:26,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:26,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:26,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:26,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:26,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:26,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:26,631 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:26,917 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:26,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:26,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:26,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:26,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:26,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:26,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:27,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:27,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:27,400 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:27,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:27,429 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:27,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:27,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:27,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:27,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:27,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:27,711 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:27,941 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:27,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:27,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:27,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:28,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:28,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:28,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:28,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:28,526 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:28,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:28,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:28,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:28,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:28,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:28,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:28,863 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:29,134 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:29,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:29,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:29,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:29,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:29,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:29,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:29,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:29,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:29,593 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:29,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:29,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:29,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:29,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:29,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:29,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:29,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:30,452 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:30,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:30,618 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:30,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:30,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:30,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:30,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:30,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:30,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:30,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:31,203 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:31,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:31,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:31,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:31,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:31,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:31,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:31,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:31,695 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:31,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:31,723 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:31,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:31,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:31,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:31,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:31,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:32,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:32,177 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:32,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:32,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:32,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:32,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:32,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:32,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:32,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:33,074 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:33,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:33,202 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:33,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:33,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:33,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:33,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:33,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:33,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:33,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:33,800 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:33,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:33,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:33,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:33,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:33,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:33,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:33,923 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:34,688 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:34,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:34,849 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:34,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:34,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:34,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:34,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:34,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:34,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:35,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:35,306 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:35,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:35,315 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:35,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:35,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:35,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:35,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:35,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:35,426 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:36,168 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:36,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:36,307 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:36,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:36,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:36,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:36,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:36,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:36,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:36,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:36,891 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:36,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:36,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:36,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:36,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:36,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:36,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:37,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:37,454 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:37,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:37,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:37,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:37,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:37,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:37,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:37,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:37,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:38,021 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:38,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:38,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:38,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:38,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:38,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:38,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:38,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:38,920 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:38,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:39,051 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:39,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:39,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:39,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:39,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:39,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:14:39,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:39,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:39,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:39,577 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:39,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:39,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:39,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:39,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:39,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:39,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:40,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:40,269 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:40,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:40,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:40,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:40,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:40,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:40,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:40,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:40,874 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:40,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:40,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:40,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:40,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:40,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:14:40,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:40,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:41,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:41,339 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:14:41,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:14:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:41,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:41,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:41,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:41,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:41,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:41,670 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:41,942 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:41,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:41,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:41,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:42,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:42,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:42,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:42,059 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:42,826 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:42,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:42,967 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:42,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:42,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:42,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:43,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:43,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:43,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:43,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:43,422 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:43,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:43,447 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:43,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:43,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:43,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:14:43,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:43,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:43,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:43,948 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:43,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:43,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:43,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:44,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:44,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:44,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:44,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:44,599 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:44,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:44,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:44,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:44,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:14:44,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:44,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:44,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:45,446 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:45,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:45,593 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:45,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:45,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:45,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:45,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:45,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:45,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:45,913 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:46,181 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:46,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:46,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:46,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:46,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:14:46,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:46,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:46,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:46,728 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:46,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:46,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:46,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:46,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:14:46,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:46,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:47,087 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:47,321 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:14:47,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:14:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:47,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:47,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:47,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:14:47,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:47,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:47,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:47,882 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:14:47,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:14:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:47,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:47,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:47,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:47,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:47,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:48,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:48,370 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:48,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:48,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:48,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:48,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:48,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:48,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:48,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:48,938 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:48,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:48,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:48,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:49,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:49,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:49,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:49,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:49,558 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:49,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:49,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:49,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:49,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:49,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:14:49,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:49,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:49,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:49,992 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:14:49,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:14:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:50,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:50,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:50,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:50,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:50,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:50,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:50,604 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:50,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:50,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:50,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:50,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:50,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:50,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:50,934 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:51,158 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:51,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:51,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:51,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:51,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:51,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:51,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:51,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:51,628 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:51,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:51,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:51,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:51,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:51,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:51,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:51,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:52,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:52,294 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:14:52,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:14:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:52,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:52,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:52,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:14:52,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:52,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:52,422 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:14:57,627 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:14:57,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:14:57,750 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:57,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:57,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:57,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:57,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:57,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:57,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:57,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:58,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:58,223 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:58,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:58,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:58,247 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:58,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:58,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:58,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:14:58,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:58,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:58,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:14:58,714 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:58,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:14:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:58,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:58,738 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:58,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:58,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:58,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:58,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:58,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:59,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:59,252 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:59,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:59,260 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:59,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:59,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:59,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:59,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:59,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:59,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:59,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:59,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:14:59,813 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:14:59,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:14:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:14:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:14:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:14:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:14:59,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:59,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:59,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:14:59,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:59,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:00,143 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:00,421 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:00,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:00,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:00,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:00,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:00,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:00,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:00,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:01,004 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:01,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:01,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:01,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:01,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:01,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:01,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:01,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:01,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:01,459 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:01,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:01,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:01,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:01,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:01,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:01,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:01,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:02,012 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:02,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:02,035 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:02,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:02,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:02,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:02,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:02,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:02,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:02,438 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:02,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:02,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:02,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:02,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:02,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:02,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:02,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:02,917 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:02,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:02,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:02,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:02,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:03,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:03,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:03,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:03,218 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:03,417 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:03,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:03,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:03,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:03,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:03,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:03,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:03,776 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:04,059 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:04,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:04,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:04,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:04,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:15:04,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:04,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:04,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:15:04,940 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:15:04,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:15:05,078 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:05,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:15:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:05,100 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:05,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:05,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:05,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:05,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:05,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:05,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:05,702 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:05,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:05,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:05,726 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:05,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:05,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:05,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:05,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:05,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:06,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:06,153 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:06,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:06,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:06,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:06,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:06,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:06,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:06,583 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:06,911 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:06,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:06,936 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:06,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:06,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:06,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:06,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:07,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:07,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:07,628 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:07,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:07,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:07,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:07,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:07,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:07,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:07,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:08,096 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:08,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:08,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:08,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:08,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:08,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:08,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:08,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:08,886 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:08,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:08,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:08,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:08,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:15:08,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:08,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:09,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:09,504 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:09,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:09,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:09,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:09,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:09,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:09,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:09,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:10,012 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:10,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:10,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:10,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:10,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:10,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:10,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:10,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:10,345 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:10,571 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:10,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:10,605 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:10,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:10,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:10,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:10,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:10,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:10,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:11,376 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:11,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:11,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:11,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:11,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:11,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:11,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:11,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:11,912 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:11,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:11,945 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:11,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:11,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:12,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:12,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:12,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:12,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:12,509 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:12,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:12,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:12,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:12,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:12,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:12,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:12,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:13,130 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:13,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:13,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:13,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:13,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:13,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:13,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:13,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:13,846 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:13,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:13,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:13,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:13,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:13,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:13,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:14,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:14,337 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:14,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:14,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:14,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:14,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:15:14,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:14,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:14,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:15:20,923 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:15:20,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:15:21,085 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:21,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:15:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:21,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:21,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:21,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:21,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:21,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:21,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:21,672 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:21,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:21,703 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:21,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:21,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:21,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:21,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:21,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:21,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:22,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:22,362 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:22,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:22,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:22,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:22,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:22,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:22,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:22,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:23,172 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:23,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:23,204 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:23,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:23,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:23,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:23,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:23,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:23,645 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:24,002 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:24,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:24,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:24,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:24,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:24,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:24,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:24,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:24,580 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:24,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:24,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:24,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:24,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:15:24,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:24,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:25,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:25,241 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:25,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:25,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:25,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:25,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:25,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:25,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:25,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:25,852 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:25,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:25,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:25,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:25,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:25,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:25,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:26,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:26,570 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:26,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:26,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:26,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:26,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:26,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:26,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:27,009 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:27,348 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:27,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:27,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:27,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:27,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:27,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:27,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:27,700 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:27,942 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:27,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:27,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:27,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:27,980 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:27,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:27,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:28,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:28,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:28,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:28,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:28,563 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:28,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:28,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:28,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:28,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:28,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:28,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:28,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:29,155 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:29,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:29,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:29,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:29,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:15:29,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:29,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:29,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:15:30,233 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:15:30,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:15:30,408 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:30,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:15:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:30,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:30,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:30,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:30,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:30,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:30,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:30,943 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:30,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:30,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:30,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:31,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:15:31,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:31,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:31,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:31,584 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:31,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:31,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:31,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:31,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:31,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:31,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:31,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:32,337 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:32,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:32,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:32,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:32,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:32,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:32,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:32,788 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:33,158 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:33,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:33,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:33,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:33,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:33,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:33,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:33,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:33,747 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:33,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:33,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:33,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:33,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:33,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:33,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:34,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:34,441 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:34,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:34,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:34,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:34,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:34,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:34,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:34,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:34,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:35,046 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:35,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:35,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:35,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:35,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:35,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:35,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:35,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:35,816 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:35,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:35,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:35,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:35,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:15:35,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:35,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:36,189 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:36,418 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:36,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:15:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:36,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:36,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:36,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:36,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:36,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:36,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:37,221 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:37,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:37,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:37,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:37,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:37,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:37,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:37,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:37,939 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:37,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:37,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:37,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:37,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:38,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:38,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:38,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:38,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:38,574 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:38,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:38,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:38,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:38,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:15:38,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:38,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:39,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:39,253 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:39,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:39,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:39,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:39,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:15:39,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:39,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:39,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:15:40,350 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:15:40,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:15:40,533 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:40,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:15:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:40,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:40,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:40,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:40,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:40,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:40,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:40,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:41,134 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:41,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:41,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:41,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:41,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:41,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:41,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:41,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:41,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:41,832 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:41,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:41,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:41,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:41,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:41,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:41,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:42,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:42,568 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:42,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:42,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:42,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:42,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:42,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:42,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:43,006 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:43,364 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:43,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:43,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:43,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:43,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:43,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:43,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:43,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:43,890 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:43,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:43,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:43,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:43,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:43,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:44,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:44,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:44,639 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:44,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:44,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:44,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:44,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:44,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:44,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:45,051 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:45,403 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:45,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:45,441 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:45,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:45,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:45,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:45,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:45,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:45,866 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:46,225 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:46,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:46,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:46,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:46,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:15:46,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:46,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:46,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:15:47,192 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:15:47,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:15:47,370 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:47,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:15:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:47,399 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:47,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:47,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:47,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:47,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:15:47,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:47,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:47,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:48,045 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:48,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:48,075 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:48,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:48,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:48,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:15:48,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:48,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:48,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:48,717 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:48,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:15:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:48,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:48,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:48,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:48,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:48,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:49,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:49,435 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:49,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:49,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:49,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:49,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:49,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:15:49,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:49,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:49,592 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:15:51,705 INFO L354 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2021-11-13 21:15:51,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 46 [2021-11-13 21:15:53,198 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:15:53,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 38 [2021-11-13 21:15:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:15:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:55,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:55,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:55,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:55,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:55,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:55,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:55,679 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:55,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:55,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:55,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:55,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:55,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:55,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:56,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:56,277 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:56,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:15:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:56,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:56,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:56,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:56,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:15:56,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:56,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:56,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:15:56,795 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:15:56,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:15:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:56,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:56,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:56,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:56,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:56,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:57,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:57,612 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:15:57,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:15:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:57,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:57,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:57,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:57,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:57,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:57,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:58,027 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:58,335 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:58,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:58,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:58,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:58,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:58,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:58,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:58,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:59,028 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:59,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:59,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:59,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:59,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:15:59,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:59,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:15:59,437 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:15:59,727 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:15:59,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:15:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:15:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:15:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:15:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:15:59,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:59,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:59,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:15:59,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:15:59,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:00,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:00,620 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:00,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:00,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:00,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:00,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:16:00,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:00,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:00,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:16:01,752 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:16:01,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:16:01,937 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:01,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:16:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:01,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:01,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:02,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:16:02,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:02,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:02,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:02,624 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:02,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:02,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:02,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:02,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:16:02,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:02,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:03,003 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:03,261 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:03,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:16:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:03,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:03,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:03,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:16:03,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:03,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:03,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:03,949 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:03,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:03,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:03,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:04,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:04,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:04,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:04,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:04,549 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:04,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:04,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:04,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:04,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:04,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:16:04,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:04,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:04,707 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:16:05,666 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:16:05,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:16:05,891 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:05,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:16:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:05,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:05,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:05,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:05,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:05,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:06,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:06,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:06,631 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:06,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:06,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:06,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:06,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:06,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:06,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:07,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:07,401 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:07,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:07,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:07,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:07,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:07,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:07,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:07,821 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:08,187 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:08,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:08,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:08,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:08,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:08,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:08,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:08,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:09,040 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:09,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:09,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:09,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:09,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:16:09,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:09,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:09,188 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:16:15,627 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:16:15,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:16:15,789 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:15,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:16:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:15,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:15,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:15,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:15,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:15,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:15,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:16,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:16,521 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:16,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:16,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:16,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:16,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:16,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:16,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:16,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:17,275 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:17,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:17,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:17,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:17,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:17,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:17,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:17,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:18,119 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:18,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:18,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:18,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:18,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:18,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:18,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:18,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:19,098 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:19,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:19,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:19,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:19,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:16:19,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:19,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:19,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:19,757 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:19,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:19,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:19,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:19,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:16:19,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:19,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:20,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:20,410 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:20,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:20,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:20,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:20,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:20,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:20,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:20,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:21,000 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:21,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:21,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:21,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:21,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:21,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:21,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:21,412 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:21,801 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:21,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:21,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:21,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:21,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:21,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:21,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:21,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:22,231 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:22,597 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:22,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:22,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:22,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:22,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:16:22,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:22,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:22,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:23,199 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:23,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:16:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:23,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:23,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:23,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:23,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:23,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:23,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:23,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:23,794 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:23,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:23,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:23,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:23,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:23,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:23,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:24,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:24,327 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:24,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:16:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:24,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:24,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:24,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:24,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:24,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:24,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:24,821 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:24,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:16:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:24,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:24,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:24,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:24,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:24,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:25,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:25,633 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:25,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:25,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:25,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:25,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:25,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:25,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:26,043 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:26,333 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:26,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:26,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:26,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:26,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:26,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:26,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:26,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:26,865 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:26,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:16:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:26,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:26,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:26,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:26,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:26,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:27,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:27,610 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:27,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:27,649 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:27,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:27,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:27,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:16:27,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:27,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:28,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:28,289 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:28,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:28,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:28,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:28,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:28,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:28,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:28,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:28,923 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:28,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:28,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:28,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:29,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:29,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:29,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:29,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:29,501 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:29,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:29,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:29,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:29,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:29,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:29,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:29,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:30,042 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:30,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:16:30,052 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:30,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:30,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:30,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:30,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:30,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:30,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:30,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:30,650 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:30,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:30,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:30,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:30,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:30,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:30,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:31,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:31,380 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:31,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:31,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:31,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:31,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:31,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:31,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:31,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:32,076 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:32,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:32,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:32,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:32,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:32,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:32,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:32,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:32,781 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:32,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:32,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:32,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:32,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:16:32,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:32,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:33,154 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:33,410 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:33,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:16:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:33,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:33,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:33,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:33,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:33,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:33,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:34,124 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:34,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:34,163 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:34,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:34,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:34,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:34,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:34,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:34,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:34,905 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:34,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:34,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:34,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:35,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:16:35,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:35,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:35,060 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 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:16:36,004 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:16:36,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:16:36,195 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:36,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:16:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:36,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:36,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:36,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:36,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:36,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:36,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:36,706 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:36,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:16:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:36,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:36,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:36,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:36,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:36,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:36,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:37,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:37,222 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:37,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:16:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:37,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:37,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:37,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:37,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:37,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:37,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:37,824 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:37,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:37,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:37,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:37,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:37,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:37,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:38,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:38,476 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:38,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:38,486 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:38,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:38,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:38,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 21:16:38,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:38,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:38,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:16:45,285 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:16:45,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:16:45,443 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:45,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:16:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:45,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:45,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:45,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:16:45,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:45,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:45,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:16:46,564 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:16:46,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:16:46,744 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:46,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:16:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:46,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:46,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:46,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:16:46,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:46,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:47,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:47,335 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:47,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:16:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:47,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:47,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:47,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:47,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:47,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:47,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:47,950 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:47,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:47,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:47,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:48,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:48,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:48,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:48,420 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:48,835 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:48,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:48,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:48,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:48,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:48,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:48,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:49,223 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:49,516 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:49,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:49,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:49,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:49,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:16:49,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:49,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:49,876 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:50,129 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:50,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:16:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:50,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:50,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:50,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:16:50,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:50,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:50,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:50,817 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:50,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:50,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:50,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:50,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:50,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:50,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:51,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:51,445 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:51,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:51,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:51,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:51,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:51,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:51,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:51,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:51,949 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:51,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:16:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:51,978 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:51,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:51,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:52,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:52,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:52,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:52,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:52,549 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:52,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:52,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:52,579 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:52,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:52,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:52,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:52,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:52,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:53,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:53,424 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:53,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:53,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:53,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:53,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:53,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:53,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:53,838 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:54,143 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:54,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:54,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:54,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:54,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:16:54,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:54,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:54,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:54,838 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:16:54,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:16:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:54,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:54,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:54,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:54,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:54,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:54,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:55,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:55,462 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:55,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:55,492 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:55,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:55,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:55,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:55,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:55,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:55,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:56,366 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:16:56,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:16:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:56,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:56,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:56,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:56,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:56,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:56,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:57,057 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:57,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:57,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:57,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:57,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:57,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:57,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:57,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:57,652 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:57,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:57,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:57,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:57,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:16:57,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:57,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:58,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:16:58,253 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:58,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:16:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:58,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:58,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:58,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:58,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:58,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:58,673 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:59,048 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:16:59,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:16:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:59,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:59,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:59,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:16:59,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:59,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:59,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:16:59,649 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:16:59,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 33 [2021-11-13 21:16:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:16:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:16:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:16:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:16:59,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:59,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:59,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:16:59,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:59,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:00,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:17:00,372 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:00,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:17:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:00,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:00,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:00,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:00,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:00,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:00,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:00,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:01,009 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:01,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:17:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:01,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:01,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:01,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:01,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:01,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:01,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:01,617 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:01,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:17:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:01,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:01,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:01,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:17:01,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:01,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:02,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:02,371 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:17:02,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:17:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:02,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:02,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:02,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:02,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:02,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:02,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:02,838 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:17:03,248 INFO L354 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2021-11-13 21:17:03,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 33 [2021-11-13 21:17:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:03,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:03,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:03,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:17:03,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:03,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:03,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:17:04,345 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:17:04,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:17:04,538 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:17:04,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:17:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:17:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:04,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:04,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:04,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:17:04,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:04,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:04,937 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:17:05,324 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:05,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:17:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:05,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:05,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:05,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:17:05,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:05,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:05,755 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 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:17:06,094 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:06,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:17:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:06,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:06,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:06,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:17:06,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:06,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:06,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:06,635 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-13 21:17:06,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 21:17:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:06,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:06,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:06,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:06,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:06,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 21:17:06,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:06,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:07,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:07,314 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:17:07,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:17:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:07,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:07,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:07,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:07,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:07,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:07,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:07,941 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:07,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:17:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:07,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:07,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:08,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 21:17:08,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:08,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:08,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:17:09,054 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 21:17:09,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 21:17:09,237 INFO L354 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2021-11-13 21:17:09,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 36 [2021-11-13 21:17:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:17:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:09,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:09,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:09,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:09,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:09,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:09,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:09,837 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:09,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:17:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:09,870 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:09,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:09,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:09,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 21:17:09,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:09,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:10,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2021-11-13 21:17:10,573 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:10,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 33 [2021-11-13 21:17:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:10,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:10,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:10,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:10,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:10,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:11,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:11,223 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:11,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:17:11,233 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:11,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:11,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:11,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:11,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:11,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:11,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2021-11-13 21:17:11,817 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 21:17:11,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 21:17:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:17:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 125 states and 467 transitions. [2021-11-13 21:17:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 467 transitions. [2021-11-13 21:17:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:17:11,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:11,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:11,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:17:11,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:11,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8