./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array13_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array13_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL --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 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:55:44,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:55:44,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:55:44,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:55:44,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:55:44,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:55:44,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:55:44,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:55:44,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:55:44,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:55:44,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:55:44,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:55:44,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:55:44,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:55:44,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:55:44,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:55:44,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:55:44,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:55:44,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:55:44,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:55:44,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:55:44,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:55:44,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:55:44,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:55:44,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:55:44,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:55:44,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:55:44,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:55:44,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:55:44,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:55:44,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:55:44,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:55:44,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:55:44,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:55:44,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:55:44,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:55:44,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:55:44,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:55:44,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:55:44,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:55:44,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:55:44,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:55:45,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:55:45,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:55:45,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:55:45,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:55:45,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:55:45,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:55:45,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:55:45,023 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:55:45,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:55:45,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:55:45,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:55:45,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:55:45,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:55:45,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:55:45,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:55:45,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:55:45,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:55:45,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:55:45,033 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:55:45,033 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:55:45,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:55:45,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:55:45,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:55:45,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:55:45,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:55:45,035 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:55:45,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:55:45,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:55:45,035 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_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e [2021-11-25 07:55:45,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:55:45,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:55:45,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:55:45,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:55:45,367 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:55:45,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-patterns/array13_pattern.c [2021-11-25 07:55:45,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/data/18597177e/24616986260e46638a0d73e39e14f095/FLAGc4724c124 [2021-11-25 07:55:45,960 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:55:45,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/sv-benchmarks/c/array-patterns/array13_pattern.c [2021-11-25 07:55:45,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/data/18597177e/24616986260e46638a0d73e39e14f095/FLAGc4724c124 [2021-11-25 07:55:46,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/data/18597177e/24616986260e46638a0d73e39e14f095 [2021-11-25 07:55:46,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:55:46,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:55:46,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:55:46,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:55:46,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:55:46,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f10d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46, skipping insertion in model container [2021-11-25 07:55:46,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:55:46,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:55:46,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2021-11-25 07:55:46,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:55:46,685 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:55:46,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2021-11-25 07:55:46,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:55:46,719 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:55:46,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46 WrapperNode [2021-11-25 07:55:46,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:55:46,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:55:46,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:55:46,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:55:46,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,757 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2021-11-25 07:55:46,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:55:46,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:55:46,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:55:46,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:55:46,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:55:46,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:55:46,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:55:46,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:55:46,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:55:46" (1/1) ... [2021-11-25 07:55:46,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:55:46,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:55:46,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:55:46,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ace722-fcfb-4f95-b51b-a7598979b744/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:55:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:55:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 07:55:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 07:55:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:55:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:55:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:55:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:55:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:55:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:55:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:55:46,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:55:46,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:55:47,213 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:55:47,271 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:55:47,272 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 07:55:47,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:55:47 BoogieIcfgContainer [2021-11-25 07:55:47,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:55:47,275 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:55:47,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:55:47,286 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:55:47,286 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:55:47" (1/1) ... [2021-11-25 07:55:47,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:55:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-25 07:55:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-25 07:55:47,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:55:47,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:47,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:47,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:55:47,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:55:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-25 07:55:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-25 07:55:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:55:47,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:47,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:47,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 07:55:47,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-25 07:55:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-25 07:55:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:55:47,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:47,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:47,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:55:47,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:48,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-25 07:55:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-25 07:55:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:55:48,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:48,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:48,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:55:48,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:55:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-25 07:55:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-25 07:55:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:55:48,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:48,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:48,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:55:48,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:55:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-25 07:55:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-25 07:55:48,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:55:48,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:48,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:48,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:55:48,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:48,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2021-11-25 07:55:48,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2021-11-25 07:55:49,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:55:49,832 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:55:49,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:55:49,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:55:50,220 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:55:50,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 30 [2021-11-25 07:55:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 85 transitions. [2021-11-25 07:55:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2021-11-25 07:55:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:55:52,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:52,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:52,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:55:52,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:52,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:55:52,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:55:53,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:55:53,149 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:55:53,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:55:53,205 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 31 treesize of output 16 [2021-11-25 07:55:53,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:55:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:54,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2021-11-25 07:55:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2021-11-25 07:55:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:55:54,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:54,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:54,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:55:54,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:54,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:55:54,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:55:54,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:55:54,726 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:55:54,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:55:54,797 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:55:54,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:55:54,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:55:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2021-11-25 07:55:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2021-11-25 07:55:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:55:55,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:55,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:55,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:55:55,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:55,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:55:55,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:55:55,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:55:55,763 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:55:55,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:55:55,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:55:55,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:55:55,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:55:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2021-11-25 07:55:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2021-11-25 07:55:56,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:55:56,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:56,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:56,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:55:56,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:56,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:55:56,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:55:56,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:55:56,623 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:55:56,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:55:56,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:55:56,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:55:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 106 transitions. [2021-11-25 07:55:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 106 transitions. [2021-11-25 07:55:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:55:56,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:56,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:56,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:55:56,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:57,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:55:57,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:55:57,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:55:57,471 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:55:57,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:55:57,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:55:57,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:55:57,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 112 transitions. [2021-11-25 07:55:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-25 07:55:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:55:57,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:57,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:57,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:55:57,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:55:57,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:55:57,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:55:58,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 129 [2021-11-25 07:55:58,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:55:58,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:55:58,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 100 [2021-11-25 07:55:58,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:55:58,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2021-11-25 07:55:59,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:55:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2021-11-25 07:56:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2021-11-25 07:56:00,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:00,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:00,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:00,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:00,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:00,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:00,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:01,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:01,356 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:01,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:01,412 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:01,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:01,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 73 states and 132 transitions. [2021-11-25 07:56:01,649 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2021-11-25 07:56:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:01,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:01,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:01,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:01,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:01,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:01,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:02,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:02,202 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:02,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:02,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:02,267 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 52 treesize of output 22 [2021-11-25 07:56:02,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 77 states and 137 transitions. [2021-11-25 07:56:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 137 transitions. [2021-11-25 07:56:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:02,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:02,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:02,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:02,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:02,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:02,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:02,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:03,046 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:03,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:03,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:03,111 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 52 treesize of output 22 [2021-11-25 07:56:03,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2021-11-25 07:56:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2021-11-25 07:56:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:03,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:03,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:03,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:03,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:03,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:03,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:03,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:03,885 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:03,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:03,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:04,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:04,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 147 transitions. [2021-11-25 07:56:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 147 transitions. [2021-11-25 07:56:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:04,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:04,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:04,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:56:04,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:04,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:04,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:04,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 129 [2021-11-25 07:56:04,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:04,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:04,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 100 [2021-11-25 07:56:04,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:04,660 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 48 treesize of output 22 [2021-11-25 07:56:04,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 93 states and 171 transitions. [2021-11-25 07:56:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2021-11-25 07:56:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:05,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:05,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:05,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:05,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:05,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:05,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:06,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:06,206 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:06,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:06,265 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 31 treesize of output 16 [2021-11-25 07:56:06,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 97 states and 176 transitions. [2021-11-25 07:56:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 176 transitions. [2021-11-25 07:56:06,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:06,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:06,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:06,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:06,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:06,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:06,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:06,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:07,025 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:07,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:07,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:07,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:07,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 101 states and 181 transitions. [2021-11-25 07:56:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 181 transitions. [2021-11-25 07:56:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:07,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:07,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:07,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:56:07,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:07,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:07,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:07,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 129 [2021-11-25 07:56:07,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:07,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:07,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 100 [2021-11-25 07:56:07,770 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 29 treesize of output 16 [2021-11-25 07:56:07,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 105 states and 189 transitions. [2021-11-25 07:56:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 189 transitions. [2021-11-25 07:56:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:08,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:08,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:08,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:08,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:08,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2021-11-25 07:56:08,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2021-11-25 07:56:08,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:08,800 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:08,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:08,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:08,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:08,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 194 transitions. [2021-11-25 07:56:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 194 transitions. [2021-11-25 07:56:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:09,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:09,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:09,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:09,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:09,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:09,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:09,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:09,525 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:09,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:09,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:09,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:09,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 113 states and 199 transitions. [2021-11-25 07:56:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2021-11-25 07:56:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:09,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:09,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:09,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 07:56:09,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:09,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:09,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:10,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 129 [2021-11-25 07:56:10,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:10,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:10,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 100 [2021-11-25 07:56:10,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:10,256 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 48 treesize of output 22 [2021-11-25 07:56:10,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 117 states and 226 transitions. [2021-11-25 07:56:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 226 transitions. [2021-11-25 07:56:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:10,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:10,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:10,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:10,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:10,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:10,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:11,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:11,198 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:11,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:11,247 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 31 treesize of output 16 [2021-11-25 07:56:11,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:11,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 121 states and 232 transitions. [2021-11-25 07:56:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 232 transitions. [2021-11-25 07:56:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:11,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:11,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:11,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:56:11,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:11,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:11,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:11,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 129 [2021-11-25 07:56:11,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:11,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:56:11,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 100 [2021-11-25 07:56:11,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 16 [2021-11-25 07:56:12,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:12,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 125 states and 238 transitions. [2021-11-25 07:56:12,112 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 238 transitions. [2021-11-25 07:56:12,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:12,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:12,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:12,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:12,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:12,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:12,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:12,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:12,957 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:12,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:12,999 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 31 treesize of output 16 [2021-11-25 07:56:13,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:14,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 134 states and 330 transitions. [2021-11-25 07:56:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 330 transitions. [2021-11-25 07:56:14,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:14,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:14,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:14,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:14,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:14,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:14,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:14,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:14,944 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:14,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:14,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:15,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 139 states and 348 transitions. [2021-11-25 07:56:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 348 transitions. [2021-11-25 07:56:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:15,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:15,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:15,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:15,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:15,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:15,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:16,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:16,236 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:16,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:16,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:16,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:16,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 143 states and 357 transitions. [2021-11-25 07:56:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 357 transitions. [2021-11-25 07:56:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:16,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:16,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:16,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:16,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:16,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:16,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:17,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:17,062 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:17,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:17,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:17,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 147 states and 366 transitions. [2021-11-25 07:56:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 366 transitions. [2021-11-25 07:56:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:17,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:17,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:17,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:17,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:17,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:17,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:18,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:18,075 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:18,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:18,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:18,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:18,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 151 states and 375 transitions. [2021-11-25 07:56:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 375 transitions. [2021-11-25 07:56:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:18,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:18,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:18,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:18,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:18,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:18,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:18,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:18,898 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:18,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:18,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:18,965 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 52 treesize of output 22 [2021-11-25 07:56:19,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 155 states and 384 transitions. [2021-11-25 07:56:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 384 transitions. [2021-11-25 07:56:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:19,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:19,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:19,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:19,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:19,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:19,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:19,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:19,724 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:19,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:19,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:19,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:19,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 159 states and 393 transitions. [2021-11-25 07:56:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 393 transitions. [2021-11-25 07:56:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:19,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:19,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:20,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:20,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:20,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:20,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:20,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:20,463 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:20,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:20,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:20,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:20,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 163 states and 402 transitions. [2021-11-25 07:56:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 402 transitions. [2021-11-25 07:56:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:20,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:20,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:20,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:20,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:20,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:20,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:21,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:21,218 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:21,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:21,265 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 31 treesize of output 16 [2021-11-25 07:56:21,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:21,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 167 states and 411 transitions. [2021-11-25 07:56:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 411 transitions. [2021-11-25 07:56:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:21,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:21,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:21,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:21,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:21,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:21,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:21,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:22,024 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:22,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:22,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:22,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:22,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 171 states and 420 transitions. [2021-11-25 07:56:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 420 transitions. [2021-11-25 07:56:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:22,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:22,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:22,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:22,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:22,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:22,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:22,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:22,766 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:22,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:22,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:22,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 175 states and 429 transitions. [2021-11-25 07:56:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 429 transitions. [2021-11-25 07:56:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:23,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:23,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:23,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:23,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:23,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:23,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:23,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:23,504 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:23,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:23,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:23,562 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 52 treesize of output 22 [2021-11-25 07:56:23,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 179 states and 438 transitions. [2021-11-25 07:56:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 438 transitions. [2021-11-25 07:56:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:23,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:23,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:23,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:23,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:23,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:23,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:24,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:24,323 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:24,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:24,368 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 31 treesize of output 16 [2021-11-25 07:56:24,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 183 states and 447 transitions. [2021-11-25 07:56:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 447 transitions. [2021-11-25 07:56:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:24,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:24,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:24,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:24,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:24,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:24,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:25,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:25,089 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:25,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:25,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:25,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:25,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 187 states and 456 transitions. [2021-11-25 07:56:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 456 transitions. [2021-11-25 07:56:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:25,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:25,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:25,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:25,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:25,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:25,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:25,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:25,810 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:25,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:25,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:25,862 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 52 treesize of output 22 [2021-11-25 07:56:26,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:26,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 191 states and 465 transitions. [2021-11-25 07:56:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 465 transitions. [2021-11-25 07:56:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:26,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:26,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:26,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:26,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:26,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:26,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:26,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:26,595 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:26,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:26,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:26,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:26,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 195 states and 474 transitions. [2021-11-25 07:56:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 474 transitions. [2021-11-25 07:56:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:26,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:26,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:26,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:26,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:26,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:26,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:27,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:27,411 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:27,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:27,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:27,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:27,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 199 states and 483 transitions. [2021-11-25 07:56:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 483 transitions. [2021-11-25 07:56:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:27,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:27,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:27,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:27,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:27,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:27,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:28,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:28,165 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:28,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:28,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:28,221 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 52 treesize of output 22 [2021-11-25 07:56:28,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 203 states and 492 transitions. [2021-11-25 07:56:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 492 transitions. [2021-11-25 07:56:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:28,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:28,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:28,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:28,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:28,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:28,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:28,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:28,987 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:28,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:29,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:29,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:29,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 207 states and 501 transitions. [2021-11-25 07:56:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 501 transitions. [2021-11-25 07:56:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:29,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:29,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:29,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:29,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:29,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:29,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:29,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:29,798 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:29,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:29,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:29,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:30,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 211 states and 510 transitions. [2021-11-25 07:56:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 510 transitions. [2021-11-25 07:56:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:30,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:30,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:30,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:30,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:30,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:30,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:30,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:30,795 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:30,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:30,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:30,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 215 states and 519 transitions. [2021-11-25 07:56:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 519 transitions. [2021-11-25 07:56:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:31,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:31,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:31,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:31,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:31,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:31,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:31,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:31,757 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:31,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:31,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:31,826 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 52 treesize of output 22 [2021-11-25 07:56:31,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 219 states and 528 transitions. [2021-11-25 07:56:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 528 transitions. [2021-11-25 07:56:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:32,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:32,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:32,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:32,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:32,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:32,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:32,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:32,666 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:32,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:32,718 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 31 treesize of output 16 [2021-11-25 07:56:32,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 223 states and 537 transitions. [2021-11-25 07:56:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 537 transitions. [2021-11-25 07:56:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:32,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:32,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:33,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:33,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:33,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:33,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:33,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:33,504 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:33,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:33,548 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 31 treesize of output 16 [2021-11-25 07:56:33,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 227 states and 546 transitions. [2021-11-25 07:56:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 546 transitions. [2021-11-25 07:56:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:33,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:33,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:33,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:33,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:33,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:33,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:34,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:34,266 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:34,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:34,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:34,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:34,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:34,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 231 states and 555 transitions. [2021-11-25 07:56:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 555 transitions. [2021-11-25 07:56:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:34,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:34,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:34,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:34,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:34,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:34,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:35,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:35,153 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:35,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:35,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:35,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:35,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 235 states and 564 transitions. [2021-11-25 07:56:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 564 transitions. [2021-11-25 07:56:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:35,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:35,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:35,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:35,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:35,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:35,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:35,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:36,041 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:36,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:36,087 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 31 treesize of output 16 [2021-11-25 07:56:36,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 239 states and 573 transitions. [2021-11-25 07:56:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 573 transitions. [2021-11-25 07:56:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:36,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:36,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:36,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:36,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:36,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:36,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:36,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:36,939 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:36,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:36,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:36,991 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 52 treesize of output 22 [2021-11-25 07:56:37,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 243 states and 582 transitions. [2021-11-25 07:56:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 582 transitions. [2021-11-25 07:56:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:37,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:37,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:37,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:37,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:37,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:37,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:37,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:37,799 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:37,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:37,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:37,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:37,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 247 states and 591 transitions. [2021-11-25 07:56:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 591 transitions. [2021-11-25 07:56:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:38,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:38,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:38,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:38,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:38,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:38,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:38,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:38,597 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:38,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:38,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:38,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:38,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 251 states and 600 transitions. [2021-11-25 07:56:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 600 transitions. [2021-11-25 07:56:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:38,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:38,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:38,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:38,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:38,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:38,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:39,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:39,434 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:39,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:39,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:39,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:39,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 255 states and 609 transitions. [2021-11-25 07:56:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 609 transitions. [2021-11-25 07:56:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:39,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:39,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:39,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:39,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:39,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:39,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:40,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:40,332 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:40,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:40,378 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:40,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:40,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 259 states and 618 transitions. [2021-11-25 07:56:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 618 transitions. [2021-11-25 07:56:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:40,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:40,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:40,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:40,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:40,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:40,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:41,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:41,139 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:41,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:41,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:41,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 263 states and 627 transitions. [2021-11-25 07:56:41,402 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 627 transitions. [2021-11-25 07:56:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:41,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:41,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:41,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:41,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:41,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:41,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:41,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:41,944 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:41,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:42,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:42,020 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 52 treesize of output 22 [2021-11-25 07:56:42,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 267 states and 636 transitions. [2021-11-25 07:56:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 636 transitions. [2021-11-25 07:56:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:42,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:42,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:42,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:42,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:42,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:42,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:42,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:42,778 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:42,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:42,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:42,849 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 52 treesize of output 22 [2021-11-25 07:56:42,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 271 states and 645 transitions. [2021-11-25 07:56:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 645 transitions. [2021-11-25 07:56:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:43,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:43,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:43,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:43,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:43,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:43,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:43,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:43,661 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:43,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:43,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:43,717 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 52 treesize of output 22 [2021-11-25 07:56:43,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 275 states and 654 transitions. [2021-11-25 07:56:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 654 transitions. [2021-11-25 07:56:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:43,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:43,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:43,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:43,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:43,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:43,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:44,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:44,450 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:44,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:44,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:44,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:44,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 279 states and 663 transitions. [2021-11-25 07:56:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 663 transitions. [2021-11-25 07:56:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:44,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:44,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:44,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:44,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:44,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:44,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:45,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:45,356 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:45,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:45,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:45,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 283 states and 672 transitions. [2021-11-25 07:56:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 672 transitions. [2021-11-25 07:56:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:45,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:45,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:45,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:45,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:45,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:45,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:46,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:46,290 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:46,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:46,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:46,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:46,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:46,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 287 states and 681 transitions. [2021-11-25 07:56:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 681 transitions. [2021-11-25 07:56:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:46,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:46,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:46,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:46,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:46,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:46,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:47,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:47,060 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:47,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:47,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:47,126 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 52 treesize of output 22 [2021-11-25 07:56:47,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 291 states and 690 transitions. [2021-11-25 07:56:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 690 transitions. [2021-11-25 07:56:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:47,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:47,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:47,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:47,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:47,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:47,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:47,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:47,967 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:47,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:48,017 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 31 treesize of output 16 [2021-11-25 07:56:48,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:48,228 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 295 states and 699 transitions. [2021-11-25 07:56:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 699 transitions. [2021-11-25 07:56:48,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:48,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:48,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:48,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:48,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:48,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:48,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:48,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:48,833 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:48,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:48,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:49,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 299 states and 708 transitions. [2021-11-25 07:56:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 708 transitions. [2021-11-25 07:56:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:49,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:49,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:49,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:49,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:49,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:49,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:49,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:49,637 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:49,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:49,679 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 31 treesize of output 16 [2021-11-25 07:56:49,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 303 states and 717 transitions. [2021-11-25 07:56:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 717 transitions. [2021-11-25 07:56:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:49,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:49,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:49,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:56:49,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:49,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:49,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:50,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:50,445 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:50,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:50,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:50,525 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 52 treesize of output 22 [2021-11-25 07:56:50,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 307 states and 726 transitions. [2021-11-25 07:56:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 726 transitions. [2021-11-25 07:56:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:50,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:50,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:50,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:50,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:50,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:50,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:51,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:51,348 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:51,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:51,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:51,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:51,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 311 states and 735 transitions. [2021-11-25 07:56:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 735 transitions. [2021-11-25 07:56:51,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:51,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:51,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:51,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:56:51,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:51,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:51,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:52,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:52,258 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:52,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:52,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:52,325 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 52 treesize of output 22 [2021-11-25 07:56:52,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 315 states and 744 transitions. [2021-11-25 07:56:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 744 transitions. [2021-11-25 07:56:52,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:52,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:52,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:52,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:52,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:52,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:56:52,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:56:53,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:53,103 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:53,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:53,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:53,158 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 52 treesize of output 22 [2021-11-25 07:56:53,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 319 states and 753 transitions. [2021-11-25 07:56:53,377 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 753 transitions. [2021-11-25 07:56:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:53,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:53,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:53,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:53,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:53,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:53,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:53,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:53,937 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:53,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:53,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:54,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 323 states and 762 transitions. [2021-11-25 07:56:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 762 transitions. [2021-11-25 07:56:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:54,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:54,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:54,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:54,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:54,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:54,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:54,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:54,859 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:54,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:54,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:54,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:56:55,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 327 states and 771 transitions. [2021-11-25 07:56:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 771 transitions. [2021-11-25 07:56:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:55,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:55,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:55,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:55,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:55,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:55,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:55,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:55,765 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:55,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:55,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:55,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 331 states and 780 transitions. [2021-11-25 07:56:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 780 transitions. [2021-11-25 07:56:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:56,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:56,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:56,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:56:56,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:56,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:56,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:56,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:56,888 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:56,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:56,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:56:56,943 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 52 treesize of output 22 [2021-11-25 07:56:57,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 335 states and 789 transitions. [2021-11-25 07:56:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 789 transitions. [2021-11-25 07:56:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:57,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:57,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:57,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:57,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:57,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:57,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:57,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:57,818 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:57,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:57,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:56:58,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 339 states and 798 transitions. [2021-11-25 07:56:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 798 transitions. [2021-11-25 07:56:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:58,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:58,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:58,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:58,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:58,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:58,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:58,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:58,721 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:58,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:58,758 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 31 treesize of output 16 [2021-11-25 07:56:58,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:56:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 343 states and 807 transitions. [2021-11-25 07:56:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 807 transitions. [2021-11-25 07:56:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:56:59,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:59,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:59,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:56:59,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:56:59,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:56:59,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:56:59,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:56:59,631 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:56:59,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:56:59,678 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 31 treesize of output 16 [2021-11-25 07:56:59,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:56:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 347 states and 816 transitions. [2021-11-25 07:57:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 816 transitions. [2021-11-25 07:57:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:00,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:00,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:00,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:00,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:00,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:00,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:00,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:00,599 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:00,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:00,686 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 31 treesize of output 16 [2021-11-25 07:57:00,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:01,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 351 states and 825 transitions. [2021-11-25 07:57:01,038 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 825 transitions. [2021-11-25 07:57:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:01,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:01,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:01,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:01,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:01,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:01,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:01,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:01,634 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:01,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:01,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:01,705 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 52 treesize of output 22 [2021-11-25 07:57:01,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 355 states and 834 transitions. [2021-11-25 07:57:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 834 transitions. [2021-11-25 07:57:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:02,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:02,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:02,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:02,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:02,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:02,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:02,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:02,594 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:02,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:02,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:02,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:02,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 359 states and 843 transitions. [2021-11-25 07:57:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 843 transitions. [2021-11-25 07:57:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:03,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:03,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:03,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:03,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:03,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:03,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:03,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:03,605 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:03,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:03,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:03,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 363 states and 852 transitions. [2021-11-25 07:57:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 852 transitions. [2021-11-25 07:57:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:03,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:03,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:04,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:04,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:04,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:04,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:04,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:04,576 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:04,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:04,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:04,651 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 52 treesize of output 22 [2021-11-25 07:57:04,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:04,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 367 states and 861 transitions. [2021-11-25 07:57:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 861 transitions. [2021-11-25 07:57:04,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:04,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:04,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:05,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:05,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:05,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:05,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:05,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:05,681 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:05,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:05,761 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 31 treesize of output 16 [2021-11-25 07:57:05,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 371 states and 870 transitions. [2021-11-25 07:57:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 870 transitions. [2021-11-25 07:57:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:06,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:06,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:06,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:06,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:06,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:06,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:06,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:06,729 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:06,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:06,770 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 31 treesize of output 16 [2021-11-25 07:57:06,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 375 states and 879 transitions. [2021-11-25 07:57:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 879 transitions. [2021-11-25 07:57:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:07,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:07,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:07,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:07,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:07,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:07,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:07,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:07,686 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:07,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:07,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:07,763 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 52 treesize of output 22 [2021-11-25 07:57:07,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 379 states and 888 transitions. [2021-11-25 07:57:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 888 transitions. [2021-11-25 07:57:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:08,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:08,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:08,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:08,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:08,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:08,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:08,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:08,710 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:08,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:08,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:08,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 383 states and 897 transitions. [2021-11-25 07:57:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 897 transitions. [2021-11-25 07:57:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:09,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:09,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:09,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:09,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:09,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:09,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:09,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:09,741 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:09,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:09,804 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 31 treesize of output 16 [2021-11-25 07:57:09,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 387 states and 906 transitions. [2021-11-25 07:57:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 906 transitions. [2021-11-25 07:57:10,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:10,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:10,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:10,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:57:10,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:10,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:10,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:10,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:10,847 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:10,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:10,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:11,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 391 states and 915 transitions. [2021-11-25 07:57:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 915 transitions. [2021-11-25 07:57:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:11,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:11,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:11,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:11,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:11,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:11,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:11,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:11,881 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:11,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:11,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:11,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:12,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 395 states and 924 transitions. [2021-11-25 07:57:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 924 transitions. [2021-11-25 07:57:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:12,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:12,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:12,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:12,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:12,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:57:12,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:57:12,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:12,802 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:12,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:12,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:13,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:13,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 399 states and 933 transitions. [2021-11-25 07:57:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 933 transitions. [2021-11-25 07:57:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:13,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:13,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:13,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:13,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:13,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:13,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:13,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:13,820 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:13,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:13,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:14,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 403 states and 942 transitions. [2021-11-25 07:57:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 942 transitions. [2021-11-25 07:57:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:14,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:14,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:14,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:14,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:14,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:14,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:14,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:14,817 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:14,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:14,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:14,894 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 52 treesize of output 22 [2021-11-25 07:57:15,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 407 states and 951 transitions. [2021-11-25 07:57:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 951 transitions. [2021-11-25 07:57:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:15,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:15,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:15,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:15,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:15,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:15,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:16,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:16,159 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:16,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:16,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:16,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:57:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 411 states and 960 transitions. [2021-11-25 07:57:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 960 transitions. [2021-11-25 07:57:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:16,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:16,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:17,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:17,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:17,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:17,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:17,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:17,599 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:17,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:17,671 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 31 treesize of output 16 [2021-11-25 07:57:17,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 415 states and 969 transitions. [2021-11-25 07:57:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 969 transitions. [2021-11-25 07:57:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:17,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:17,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:18,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:57:18,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:18,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:57:18,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:57:18,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:18,684 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:18,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:18,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:18,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:18,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 419 states and 978 transitions. [2021-11-25 07:57:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 978 transitions. [2021-11-25 07:57:19,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:19,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:19,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:19,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:19,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:19,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:19,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:19,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:19,625 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:19,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:19,682 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 31 treesize of output 16 [2021-11-25 07:57:19,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:19,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 423 states and 987 transitions. [2021-11-25 07:57:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 987 transitions. [2021-11-25 07:57:19,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:19,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:19,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:19,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:19,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:20,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:20,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:20,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:20,577 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:20,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:20,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:20,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 427 states and 996 transitions. [2021-11-25 07:57:21,023 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 996 transitions. [2021-11-25 07:57:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:21,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:21,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:21,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:21,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:21,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:21,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:21,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:21,792 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:21,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:21,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:21,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:22,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:22,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 431 states and 1005 transitions. [2021-11-25 07:57:22,223 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1005 transitions. [2021-11-25 07:57:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:22,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:22,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:22,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:22,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:22,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:22,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:22,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:22,873 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:22,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:22,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:22,949 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 52 treesize of output 22 [2021-11-25 07:57:23,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 435 states and 1014 transitions. [2021-11-25 07:57:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1014 transitions. [2021-11-25 07:57:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:23,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:23,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:23,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:23,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:23,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:23,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:23,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:24,008 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:24,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:24,056 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 31 treesize of output 16 [2021-11-25 07:57:24,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 439 states and 1023 transitions. [2021-11-25 07:57:24,492 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1023 transitions. [2021-11-25 07:57:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:24,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:24,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:24,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:24,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:24,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:24,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:25,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:25,132 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:25,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:25,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:25,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 443 states and 1032 transitions. [2021-11-25 07:57:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1032 transitions. [2021-11-25 07:57:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:25,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:25,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:25,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:25,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:25,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:25,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:26,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:26,218 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:26,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:26,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:26,303 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 52 treesize of output 22 [2021-11-25 07:57:26,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 447 states and 1041 transitions. [2021-11-25 07:57:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1041 transitions. [2021-11-25 07:57:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:26,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:26,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:26,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:57:26,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:26,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:26,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:27,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:27,349 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:27,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:27,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:27,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 451 states and 1050 transitions. [2021-11-25 07:57:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1050 transitions. [2021-11-25 07:57:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:27,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:27,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:27,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:27,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:27,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:27,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:28,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:28,501 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:28,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:28,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:28,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 455 states and 1059 transitions. [2021-11-25 07:57:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1059 transitions. [2021-11-25 07:57:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:28,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:28,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:28,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:28,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:28,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:28,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:29,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:29,526 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:29,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:29,591 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 31 treesize of output 16 [2021-11-25 07:57:29,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:29,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 459 states and 1068 transitions. [2021-11-25 07:57:29,861 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1068 transitions. [2021-11-25 07:57:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:29,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:29,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:29,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:29,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:29,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:29,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:30,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:30,533 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:30,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:30,592 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 31 treesize of output 16 [2021-11-25 07:57:30,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 463 states and 1077 transitions. [2021-11-25 07:57:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1077 transitions. [2021-11-25 07:57:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:30,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:30,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:30,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:30,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:30,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:30,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:31,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:31,582 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:31,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:31,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:31,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 467 states and 1086 transitions. [2021-11-25 07:57:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1086 transitions. [2021-11-25 07:57:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:31,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:31,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:31,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:31,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:32,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:32,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:32,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:32,614 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:32,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:32,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:32,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 471 states and 1095 transitions. [2021-11-25 07:57:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1095 transitions. [2021-11-25 07:57:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:32,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:32,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:33,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:33,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:33,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:33,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:33,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:33,658 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:33,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:33,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:33,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:33,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 475 states and 1104 transitions. [2021-11-25 07:57:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1104 transitions. [2021-11-25 07:57:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:33,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:33,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:34,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:34,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:34,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:34,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:34,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:34,701 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:34,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:34,748 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 31 treesize of output 16 [2021-11-25 07:57:34,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 479 states and 1113 transitions. [2021-11-25 07:57:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1113 transitions. [2021-11-25 07:57:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:35,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:35,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:35,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:35,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:35,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:35,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:35,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:35,738 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:35,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:35,795 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 31 treesize of output 16 [2021-11-25 07:57:35,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 483 states and 1122 transitions. [2021-11-25 07:57:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1122 transitions. [2021-11-25 07:57:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:36,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:36,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:36,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:36,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:36,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:36,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:36,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:36,967 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:36,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:37,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:37,036 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 52 treesize of output 22 [2021-11-25 07:57:37,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 487 states and 1131 transitions. [2021-11-25 07:57:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1131 transitions. [2021-11-25 07:57:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:37,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:37,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:37,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:37,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:37,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:37,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:37,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:37,993 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:37,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:38,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:38,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:38,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 491 states and 1140 transitions. [2021-11-25 07:57:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1140 transitions. [2021-11-25 07:57:38,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:38,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:38,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:38,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:38,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:38,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:38,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:39,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:39,129 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:39,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:39,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:39,196 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 52 treesize of output 22 [2021-11-25 07:57:39,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 495 states and 1149 transitions. [2021-11-25 07:57:39,463 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1149 transitions. [2021-11-25 07:57:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:39,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:39,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:39,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:39,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:39,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:39,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:40,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:40,219 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:40,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:40,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:40,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 499 states and 1158 transitions. [2021-11-25 07:57:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1158 transitions. [2021-11-25 07:57:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:40,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:40,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:40,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:40,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:40,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:40,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:41,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:41,350 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:41,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:41,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:41,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:41,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 503 states and 1167 transitions. [2021-11-25 07:57:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1167 transitions. [2021-11-25 07:57:41,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:41,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:41,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:41,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:41,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:41,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:41,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:42,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:42,486 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:42,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:42,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:42,555 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 52 treesize of output 22 [2021-11-25 07:57:42,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 507 states and 1176 transitions. [2021-11-25 07:57:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1176 transitions. [2021-11-25 07:57:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:42,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:42,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:42,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:42,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:42,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:42,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:43,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:43,646 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:43,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:43,723 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 31 treesize of output 16 [2021-11-25 07:57:43,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 511 states and 1185 transitions. [2021-11-25 07:57:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1185 transitions. [2021-11-25 07:57:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:44,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:44,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:44,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:44,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:44,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:44,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:44,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:44,742 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:44,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:44,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:44,859 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 52 treesize of output 22 [2021-11-25 07:57:45,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 515 states and 1194 transitions. [2021-11-25 07:57:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1194 transitions. [2021-11-25 07:57:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:45,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:45,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:45,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:45,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:45,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:57:45,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:57:45,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:45,918 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:45,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:45,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:46,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 519 states and 1203 transitions. [2021-11-25 07:57:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1203 transitions. [2021-11-25 07:57:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:46,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:46,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:46,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:46,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:46,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:46,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:46,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:47,000 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:47,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:47,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:47,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 523 states and 1212 transitions. [2021-11-25 07:57:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1212 transitions. [2021-11-25 07:57:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:47,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:47,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:47,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:47,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:47,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:47,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:48,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:48,081 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:48,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:48,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:48,180 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 52 treesize of output 22 [2021-11-25 07:57:48,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 527 states and 1221 transitions. [2021-11-25 07:57:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1221 transitions. [2021-11-25 07:57:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:48,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:48,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:48,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:48,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:48,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:48,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:49,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:49,379 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:49,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:49,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:49,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:49,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 531 states and 1230 transitions. [2021-11-25 07:57:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1230 transitions. [2021-11-25 07:57:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:49,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:49,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:49,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:49,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:50,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:57:50,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:57:50,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:50,646 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:50,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:50,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:50,734 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 52 treesize of output 22 [2021-11-25 07:57:50,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 535 states and 1239 transitions. [2021-11-25 07:57:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1239 transitions. [2021-11-25 07:57:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:51,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:51,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:51,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:51,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:51,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:51,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:51,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:51,760 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:51,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:51,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:51,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:52,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 539 states and 1248 transitions. [2021-11-25 07:57:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1248 transitions. [2021-11-25 07:57:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:52,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:52,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:52,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:52,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:52,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:52,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:52,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:52,921 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:52,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:52,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:53,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:53,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 543 states and 1257 transitions. [2021-11-25 07:57:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1257 transitions. [2021-11-25 07:57:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:53,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:53,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:53,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:53,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:53,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:53,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:53,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:54,029 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:54,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:54,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:54,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:54,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 547 states and 1266 transitions. [2021-11-25 07:57:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1266 transitions. [2021-11-25 07:57:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:54,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:54,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:54,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:54,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:54,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:54,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:55,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:55,195 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:55,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:55,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:55,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 551 states and 1275 transitions. [2021-11-25 07:57:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1275 transitions. [2021-11-25 07:57:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:55,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:55,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:55,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:55,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:55,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:55,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:56,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:56,287 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:56,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:56,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:57:56,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:56,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 555 states and 1284 transitions. [2021-11-25 07:57:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1284 transitions. [2021-11-25 07:57:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:56,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:56,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:56,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:56,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:56,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:57:56,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:57:57,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:57,476 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:57,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:57,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:57,552 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 52 treesize of output 22 [2021-11-25 07:57:57,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:57,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 559 states and 1293 transitions. [2021-11-25 07:57:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1293 transitions. [2021-11-25 07:57:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:57,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:57,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:57,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:57:57,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:57,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:57,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:58,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:58,647 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:58,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:58,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:58,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:57:58,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:57:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:57:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 563 states and 1302 transitions. [2021-11-25 07:57:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1302 transitions. [2021-11-25 07:57:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:57:59,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:59,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:59,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:57:59,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:57:59,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:57:59,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:57:59,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:57:59,793 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:57:59,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:57:59,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:57:59,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:00,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 567 states and 1311 transitions. [2021-11-25 07:58:00,219 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1311 transitions. [2021-11-25 07:58:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:00,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:00,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:00,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:00,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:00,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:00,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:00,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:01,008 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:01,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:01,089 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 31 treesize of output 16 [2021-11-25 07:58:01,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 571 states and 1320 transitions. [2021-11-25 07:58:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1320 transitions. [2021-11-25 07:58:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:01,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:01,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:01,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:01,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:01,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:01,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:02,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:02,172 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:02,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:02,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:02,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:02,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 575 states and 1329 transitions. [2021-11-25 07:58:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1329 transitions. [2021-11-25 07:58:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:02,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:02,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:02,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:02,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:02,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:02,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:03,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:03,360 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:03,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:03,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:03,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:03,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 579 states and 1338 transitions. [2021-11-25 07:58:03,750 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1338 transitions. [2021-11-25 07:58:03,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:03,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:03,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:03,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:58:03,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:03,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:03,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:04,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:04,581 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:04,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:04,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:04,661 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 52 treesize of output 22 [2021-11-25 07:58:04,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 583 states and 1347 transitions. [2021-11-25 07:58:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1347 transitions. [2021-11-25 07:58:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:04,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:04,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:04,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:04,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:05,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:05,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:05,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:05,847 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:05,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:05,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:06,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 587 states and 1356 transitions. [2021-11-25 07:58:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1356 transitions. [2021-11-25 07:58:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:06,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:06,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:06,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:06,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:06,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:06,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:07,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:07,057 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:07,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:07,114 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 31 treesize of output 16 [2021-11-25 07:58:07,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 591 states and 1365 transitions. [2021-11-25 07:58:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1365 transitions. [2021-11-25 07:58:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:07,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:07,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:07,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:07,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:07,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:07,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:08,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:08,232 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:08,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:08,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:08,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:08,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 595 states and 1374 transitions. [2021-11-25 07:58:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1374 transitions. [2021-11-25 07:58:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:08,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:08,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:08,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:08,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:08,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:08,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:09,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:09,447 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:09,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:09,525 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 31 treesize of output 16 [2021-11-25 07:58:09,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 599 states and 1383 transitions. [2021-11-25 07:58:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1383 transitions. [2021-11-25 07:58:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:09,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:09,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:09,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:09,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:09,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:58:09,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:58:10,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:10,595 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:10,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:10,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:10,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:10,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 603 states and 1392 transitions. [2021-11-25 07:58:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1392 transitions. [2021-11-25 07:58:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:11,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:11,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:11,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:58:11,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:11,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:11,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:11,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:11,833 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:11,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:11,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:12,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 607 states and 1401 transitions. [2021-11-25 07:58:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1401 transitions. [2021-11-25 07:58:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:12,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:12,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:12,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:12,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:12,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:12,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:13,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:13,065 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:13,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:13,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:13,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 611 states and 1410 transitions. [2021-11-25 07:58:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1410 transitions. [2021-11-25 07:58:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:13,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:13,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:13,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:13,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:13,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:13,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:14,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:14,298 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:14,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:14,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:14,397 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 52 treesize of output 22 [2021-11-25 07:58:14,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 615 states and 1419 transitions. [2021-11-25 07:58:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1419 transitions. [2021-11-25 07:58:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:14,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:14,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:14,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:14,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:14,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:14,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:15,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:15,681 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:15,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:15,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:15,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:16,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 619 states and 1428 transitions. [2021-11-25 07:58:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1428 transitions. [2021-11-25 07:58:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:16,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:16,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:16,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:58:16,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:16,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:58:16,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:58:16,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:16,938 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:16,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:16,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:17,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:17,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 623 states and 1437 transitions. [2021-11-25 07:58:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1437 transitions. [2021-11-25 07:58:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:17,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:17,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:17,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:17,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:17,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:17,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:18,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:18,136 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:18,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:18,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:18,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 627 states and 1446 transitions. [2021-11-25 07:58:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1446 transitions. [2021-11-25 07:58:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:18,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:18,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:18,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:18,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:18,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:18,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:19,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:19,346 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:19,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:19,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:19,444 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 52 treesize of output 22 [2021-11-25 07:58:19,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 631 states and 1455 transitions. [2021-11-25 07:58:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1455 transitions. [2021-11-25 07:58:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:20,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:20,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:20,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:20,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:20,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:20,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:20,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:20,802 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:20,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:20,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:20,885 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 52 treesize of output 22 [2021-11-25 07:58:21,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 635 states and 1464 transitions. [2021-11-25 07:58:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1464 transitions. [2021-11-25 07:58:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:21,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:21,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:21,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:21,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:21,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:21,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:22,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:22,354 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:22,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:22,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:22,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:22,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 639 states and 1473 transitions. [2021-11-25 07:58:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1473 transitions. [2021-11-25 07:58:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:22,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:22,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:22,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:22,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:22,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:22,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:23,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:23,541 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:23,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:23,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:23,716 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 52 treesize of output 22 [2021-11-25 07:58:23,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 643 states and 1482 transitions. [2021-11-25 07:58:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1482 transitions. [2021-11-25 07:58:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:24,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:24,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:24,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:24,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:24,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:24,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:24,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:24,890 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:24,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:24,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:24,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:25,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:25,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 647 states and 1491 transitions. [2021-11-25 07:58:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1491 transitions. [2021-11-25 07:58:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:25,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:25,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:25,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:25,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:25,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:25,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:26,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:26,422 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:26,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:26,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:26,491 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 52 treesize of output 22 [2021-11-25 07:58:26,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 651 states and 1500 transitions. [2021-11-25 07:58:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1500 transitions. [2021-11-25 07:58:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:26,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:26,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:26,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:26,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:26,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:26,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:27,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:27,731 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:27,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:27,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:27,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:28,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 655 states and 1509 transitions. [2021-11-25 07:58:28,132 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1509 transitions. [2021-11-25 07:58:28,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:28,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:28,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:28,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:58:28,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:28,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:28,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:29,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:29,081 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:29,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:29,159 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:29,197 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 52 treesize of output 22 [2021-11-25 07:58:29,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 659 states and 1518 transitions. [2021-11-25 07:58:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1518 transitions. [2021-11-25 07:58:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:29,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:29,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:29,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:29,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:29,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:29,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:30,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:30,318 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:30,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:30,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:30,419 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 52 treesize of output 22 [2021-11-25 07:58:30,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 663 states and 1527 transitions. [2021-11-25 07:58:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1527 transitions. [2021-11-25 07:58:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:30,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:30,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:30,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:30,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:30,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:30,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:31,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:31,648 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:31,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:31,721 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 31 treesize of output 16 [2021-11-25 07:58:31,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 667 states and 1536 transitions. [2021-11-25 07:58:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1536 transitions. [2021-11-25 07:58:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:32,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:32,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:32,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:32,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:32,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:32,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:32,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:32,956 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:32,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:33,026 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 31 treesize of output 16 [2021-11-25 07:58:33,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 671 states and 1545 transitions. [2021-11-25 07:58:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1545 transitions. [2021-11-25 07:58:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:33,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:33,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:33,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:33,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:33,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:33,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:34,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:34,253 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:34,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:34,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:34,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 675 states and 1554 transitions. [2021-11-25 07:58:34,703 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1554 transitions. [2021-11-25 07:58:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:34,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:34,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:34,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:34,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:34,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:34,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:35,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:35,515 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:35,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:35,556 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 31 treesize of output 16 [2021-11-25 07:58:35,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 679 states and 1563 transitions. [2021-11-25 07:58:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1563 transitions. [2021-11-25 07:58:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:35,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:35,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:35,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:35,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:36,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:36,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:36,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:36,857 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:36,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:36,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:36,910 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 52 treesize of output 22 [2021-11-25 07:58:37,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 683 states and 1572 transitions. [2021-11-25 07:58:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1572 transitions. [2021-11-25 07:58:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:37,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:37,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:37,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:37,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:37,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:37,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:38,042 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:38,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:38,111 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 31 treesize of output 16 [2021-11-25 07:58:38,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:38,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 687 states and 1581 transitions. [2021-11-25 07:58:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1581 transitions. [2021-11-25 07:58:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:38,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:38,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:38,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:38,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:38,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:38,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:39,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:39,373 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:39,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:39,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:39,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:39,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 691 states and 1590 transitions. [2021-11-25 07:58:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1590 transitions. [2021-11-25 07:58:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:39,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:39,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:39,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:39,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:39,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:39,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:40,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:40,716 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:40,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:40,769 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 31 treesize of output 16 [2021-11-25 07:58:41,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 695 states and 1599 transitions. [2021-11-25 07:58:41,149 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1599 transitions. [2021-11-25 07:58:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:41,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:41,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:41,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:41,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:41,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:41,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:41,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:41,992 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:41,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:42,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:42,115 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 52 treesize of output 22 [2021-11-25 07:58:42,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:42,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 699 states and 1608 transitions. [2021-11-25 07:58:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1608 transitions. [2021-11-25 07:58:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:42,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:42,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:42,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:58:42,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:42,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:42,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:43,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:43,372 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:43,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:43,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:43,479 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 52 treesize of output 22 [2021-11-25 07:58:43,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 703 states and 1617 transitions. [2021-11-25 07:58:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1617 transitions. [2021-11-25 07:58:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:43,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:43,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:43,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:43,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:43,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:43,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:44,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:44,827 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:44,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:44,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:45,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 707 states and 1626 transitions. [2021-11-25 07:58:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1626 transitions. [2021-11-25 07:58:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:45,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:45,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:45,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:45,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:45,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:45,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:46,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:46,528 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:46,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:46,570 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:46,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:46,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 711 states and 1635 transitions. [2021-11-25 07:58:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1635 transitions. [2021-11-25 07:58:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:47,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:47,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:47,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:47,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:47,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:47,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:48,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:48,210 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:48,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:48,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:48,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 715 states and 1644 transitions. [2021-11-25 07:58:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1644 transitions. [2021-11-25 07:58:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:49,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:49,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:49,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:58:49,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:49,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:49,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:49,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:50,000 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:50,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:50,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:50,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:50,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:50,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:50,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 719 states and 1653 transitions. [2021-11-25 07:58:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1653 transitions. [2021-11-25 07:58:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:50,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:50,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:50,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:50,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:50,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:58:50,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:58:51,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:51,738 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:51,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:51,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:58:52,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 723 states and 1662 transitions. [2021-11-25 07:58:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1662 transitions. [2021-11-25 07:58:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:52,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:52,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:52,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:52,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:52,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:52,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:53,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:53,548 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:53,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:53,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:53,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:53,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:54,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 727 states and 1671 transitions. [2021-11-25 07:58:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1671 transitions. [2021-11-25 07:58:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:54,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:54,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:54,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:54,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:54,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:54,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:55,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:55,342 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:55,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:55,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:55,449 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 52 treesize of output 22 [2021-11-25 07:58:55,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:56,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 731 states and 1680 transitions. [2021-11-25 07:58:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1680 transitions. [2021-11-25 07:58:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:56,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:56,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:56,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:58:56,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:56,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:56,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:57,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:57,147 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:57,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:57,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:57,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:58:57,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 735 states and 1689 transitions. [2021-11-25 07:58:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1689 transitions. [2021-11-25 07:58:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:58,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:58,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:58,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:58:58,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:58,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:58,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:58:58,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:58:58,964 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:58:58,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:58:59,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:58:59,065 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 52 treesize of output 22 [2021-11-25 07:58:59,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:58:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 739 states and 1698 transitions. [2021-11-25 07:58:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1698 transitions. [2021-11-25 07:58:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:58:59,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:59,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:59,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:58:59,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:58:59,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:58:59,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:00,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:00,784 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:00,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:00,866 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 31 treesize of output 16 [2021-11-25 07:59:01,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 743 states and 1707 transitions. [2021-11-25 07:59:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1707 transitions. [2021-11-25 07:59:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:01,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:01,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:01,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:01,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:01,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:01,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:02,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:02,598 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:02,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:02,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:02,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:03,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 747 states and 1716 transitions. [2021-11-25 07:59:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1716 transitions. [2021-11-25 07:59:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:03,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:03,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:03,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:03,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:03,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:03,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:04,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:04,413 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:04,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:04,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:04,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:59:04,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 751 states and 1725 transitions. [2021-11-25 07:59:04,901 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1725 transitions. [2021-11-25 07:59:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:04,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:04,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:04,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:04,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:04,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:04,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:05,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:05,881 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:05,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:05,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:06,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 755 states and 1734 transitions. [2021-11-25 07:59:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1734 transitions. [2021-11-25 07:59:06,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:06,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:06,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:06,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:06,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:06,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:06,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:07,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:07,322 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:07,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:07,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:07,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 759 states and 1743 transitions. [2021-11-25 07:59:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1743 transitions. [2021-11-25 07:59:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:07,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:07,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:07,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:07,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:07,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:07,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:08,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:08,775 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:08,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:08,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:08,866 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 52 treesize of output 22 [2021-11-25 07:59:09,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 763 states and 1752 transitions. [2021-11-25 07:59:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1752 transitions. [2021-11-25 07:59:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:09,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:09,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:09,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:09,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:09,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:09,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:10,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:10,205 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:10,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:10,245 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 31 treesize of output 16 [2021-11-25 07:59:10,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 767 states and 1761 transitions. [2021-11-25 07:59:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1761 transitions. [2021-11-25 07:59:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:10,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:10,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:10,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:10,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:10,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:10,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:11,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:11,697 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:11,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:11,769 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:11,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:59:12,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 771 states and 1770 transitions. [2021-11-25 07:59:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1770 transitions. [2021-11-25 07:59:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:12,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:12,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:12,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:12,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:12,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:12,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:13,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:13,117 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:13,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:13,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:13,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 775 states and 1779 transitions. [2021-11-25 07:59:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1779 transitions. [2021-11-25 07:59:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:14,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:14,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:14,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:14,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:14,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:14,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:14,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:14,941 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:14,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:15,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:15,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 779 states and 1788 transitions. [2021-11-25 07:59:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1788 transitions. [2021-11-25 07:59:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:16,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:16,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:16,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:16,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:16,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:59:16,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:59:17,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:17,248 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:17,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:17,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:17,304 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 52 treesize of output 22 [2021-11-25 07:59:17,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 783 states and 1797 transitions. [2021-11-25 07:59:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1797 transitions. [2021-11-25 07:59:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:18,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:18,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:18,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:59:18,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:18,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:18,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:19,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:19,069 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:19,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:19,124 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:19,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:59:19,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 787 states and 1806 transitions. [2021-11-25 07:59:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1806 transitions. [2021-11-25 07:59:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:19,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:19,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:20,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:20,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:20,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:20,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:20,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:21,019 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:21,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:21,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:21,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 791 states and 1815 transitions. [2021-11-25 07:59:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1815 transitions. [2021-11-25 07:59:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:21,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:21,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:21,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:21,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:21,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:21,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:22,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:22,429 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:22,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:22,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:22,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:59:22,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 795 states and 1824 transitions. [2021-11-25 07:59:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1824 transitions. [2021-11-25 07:59:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:23,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:23,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:23,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:23,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:23,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:23,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:24,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:24,356 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:24,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:24,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:24,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 799 states and 1833 transitions. [2021-11-25 07:59:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1833 transitions. [2021-11-25 07:59:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:24,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:24,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:24,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:24,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:24,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:24,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:25,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:25,751 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:25,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:25,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:26,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 803 states and 1842 transitions. [2021-11-25 07:59:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1842 transitions. [2021-11-25 07:59:26,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:26,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:26,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:26,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:26,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:26,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:26,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:27,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:27,643 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:27,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:27,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:27,746 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 52 treesize of output 22 [2021-11-25 07:59:28,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 807 states and 1851 transitions. [2021-11-25 07:59:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1851 transitions. [2021-11-25 07:59:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:28,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:28,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:28,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:28,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:28,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:28,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:29,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:29,586 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:29,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:29,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:29,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:59:29,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 811 states and 1860 transitions. [2021-11-25 07:59:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1860 transitions. [2021-11-25 07:59:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:30,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:30,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:30,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:30,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:30,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:30,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:31,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:31,483 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:31,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:31,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:31,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 815 states and 1869 transitions. [2021-11-25 07:59:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1869 transitions. [2021-11-25 07:59:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:32,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:32,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:32,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:32,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:32,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:32,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:33,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:33,461 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:33,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:33,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:33,584 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 52 treesize of output 22 [2021-11-25 07:59:33,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:34,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 819 states and 1878 transitions. [2021-11-25 07:59:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1878 transitions. [2021-11-25 07:59:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:34,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:34,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:34,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:34,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:34,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:59:34,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:59:35,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:35,540 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:35,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:35,643 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 31 treesize of output 16 [2021-11-25 07:59:35,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:36,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:36,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 823 states and 1887 transitions. [2021-11-25 07:59:36,536 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1887 transitions. [2021-11-25 07:59:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:36,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:36,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:36,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:36,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:36,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:36,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:37,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:37,528 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:37,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:37,619 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 31 treesize of output 16 [2021-11-25 07:59:37,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 827 states and 1896 transitions. [2021-11-25 07:59:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1896 transitions. [2021-11-25 07:59:38,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:38,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:38,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:38,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:38,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:38,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:38,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:39,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:39,501 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:39,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:39,629 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 31 treesize of output 16 [2021-11-25 07:59:39,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 831 states and 1905 transitions. [2021-11-25 07:59:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1905 transitions. [2021-11-25 07:59:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:40,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:40,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:40,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:40,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:40,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:40,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:41,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:41,551 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:41,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:41,648 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 31 treesize of output 16 [2021-11-25 07:59:41,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 835 states and 1914 transitions. [2021-11-25 07:59:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1914 transitions. [2021-11-25 07:59:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:42,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:42,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:42,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:42,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:42,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:42,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:43,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:43,555 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:43,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:43,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:43,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:44,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 839 states and 1923 transitions. [2021-11-25 07:59:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1923 transitions. [2021-11-25 07:59:44,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:44,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:44,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:44,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:44,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:44,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:44,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:45,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:45,061 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:45,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:45,140 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:45,185 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 52 treesize of output 22 [2021-11-25 07:59:45,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:46,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 843 states and 1932 transitions. [2021-11-25 07:59:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1932 transitions. [2021-11-25 07:59:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:46,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:46,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:46,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:46,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:46,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:59:46,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:59:47,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:47,192 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:47,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:47,300 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 31 treesize of output 16 [2021-11-25 07:59:47,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 847 states and 1941 transitions. [2021-11-25 07:59:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1941 transitions. [2021-11-25 07:59:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:48,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:48,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:48,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:48,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:48,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:48,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:49,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:49,297 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:49,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:49,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:49,397 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 52 treesize of output 22 [2021-11-25 07:59:49,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:50,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:50,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 851 states and 1950 transitions. [2021-11-25 07:59:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1950 transitions. [2021-11-25 07:59:50,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:50,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:50,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:50,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:50,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:50,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:59:50,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:59:51,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:51,353 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:51,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:51,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:51,514 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 52 treesize of output 22 [2021-11-25 07:59:51,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:52,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 855 states and 1959 transitions. [2021-11-25 07:59:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1959 transitions. [2021-11-25 07:59:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:52,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:52,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:52,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:52,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:52,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:52,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:53,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:53,527 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:53,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:53,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:53,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:54,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 859 states and 1968 transitions. [2021-11-25 07:59:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1968 transitions. [2021-11-25 07:59:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:54,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:54,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:54,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:54,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:54,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 07:59:54,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 07:59:55,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:55,569 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:55,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:55,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:59:55,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 07:59:55,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 863 states and 1977 transitions. [2021-11-25 07:59:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1977 transitions. [2021-11-25 07:59:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:56,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:56,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:56,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:59:56,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:56,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:56,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:57,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:57,582 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:57,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:57,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:58,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 867 states and 1986 transitions. [2021-11-25 07:59:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1986 transitions. [2021-11-25 07:59:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:58,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:58,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:58,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:59:58,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:58,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:58,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 07:59:59,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 07:59:59,320 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 07:59:59,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 07:59:59,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 07:59:59,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 07:59:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:59:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 871 states and 1995 transitions. [2021-11-25 07:59:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1995 transitions. [2021-11-25 07:59:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:59:59,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:59,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:59,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:59:59,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:59:59,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 07:59:59,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:00,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:00,883 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:00,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:00,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:00,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:01,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 875 states and 2004 transitions. [2021-11-25 08:00:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 2004 transitions. [2021-11-25 08:00:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:01,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:01,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:01,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:01,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:01,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:01,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:02,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:02,461 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:02,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:02,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:02,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:02,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 879 states and 2013 transitions. [2021-11-25 08:00:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 2013 transitions. [2021-11-25 08:00:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:02,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:02,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:03,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:03,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:03,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:03,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:04,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:04,079 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:04,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:04,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:04,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:04,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 883 states and 2022 transitions. [2021-11-25 08:00:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 2022 transitions. [2021-11-25 08:00:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:04,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:04,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:04,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:04,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:04,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:00:04,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:00:05,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:05,726 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:05,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:05,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:06,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 887 states and 2031 transitions. [2021-11-25 08:00:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 2031 transitions. [2021-11-25 08:00:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:06,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:06,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:06,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:06,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:06,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:06,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:07,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:07,394 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:07,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:07,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:07,449 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 52 treesize of output 22 [2021-11-25 08:00:07,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 891 states and 2040 transitions. [2021-11-25 08:00:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 2040 transitions. [2021-11-25 08:00:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:07,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:07,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:07,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:07,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:07,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:07,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:08,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:08,924 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:08,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:09,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:09,048 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 52 treesize of output 22 [2021-11-25 08:00:09,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 895 states and 2049 transitions. [2021-11-25 08:00:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 2049 transitions. [2021-11-25 08:00:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:09,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:09,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:09,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:09,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:09,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:09,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:10,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:10,686 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:10,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:10,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:10,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:11,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 899 states and 2058 transitions. [2021-11-25 08:00:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 2058 transitions. [2021-11-25 08:00:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:11,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:11,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:11,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:11,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:11,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:11,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:12,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:12,403 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:12,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:12,494 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 31 treesize of output 16 [2021-11-25 08:00:12,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 903 states and 2067 transitions. [2021-11-25 08:00:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 2067 transitions. [2021-11-25 08:00:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:12,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:12,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:13,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:13,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:13,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:13,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:14,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:14,142 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:14,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:14,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:14,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:14,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:14,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 907 states and 2076 transitions. [2021-11-25 08:00:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 2076 transitions. [2021-11-25 08:00:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:14,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:14,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:14,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:14,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:14,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:14,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:15,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:15,767 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:15,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:15,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:15,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:16,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 911 states and 2085 transitions. [2021-11-25 08:00:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 2085 transitions. [2021-11-25 08:00:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:16,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:16,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:16,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:16,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:16,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:16,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:17,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:17,396 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:17,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:17,521 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 31 treesize of output 16 [2021-11-25 08:00:17,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 915 states and 2094 transitions. [2021-11-25 08:00:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 2094 transitions. [2021-11-25 08:00:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:17,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:17,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:18,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:18,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:18,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:18,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:18,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:19,059 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:19,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:19,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:19,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:19,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 919 states and 2103 transitions. [2021-11-25 08:00:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 2103 transitions. [2021-11-25 08:00:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:20,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:20,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:20,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:20,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:20,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:20,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:21,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:21,120 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:21,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:21,224 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 31 treesize of output 16 [2021-11-25 08:00:21,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 923 states and 2112 transitions. [2021-11-25 08:00:22,310 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 2112 transitions. [2021-11-25 08:00:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:22,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:22,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:22,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:22,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:22,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:00:22,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:00:23,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:23,437 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:23,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:23,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:23,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:23,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 927 states and 2121 transitions. [2021-11-25 08:00:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 2121 transitions. [2021-11-25 08:00:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:24,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:24,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:24,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:24,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:24,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:24,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:25,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:25,708 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:25,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:25,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:25,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:26,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 931 states and 2130 transitions. [2021-11-25 08:00:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 2130 transitions. [2021-11-25 08:00:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:26,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:26,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:26,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:26,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:26,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:26,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:27,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:28,027 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:28,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:28,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:28,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:28,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 935 states and 2139 transitions. [2021-11-25 08:00:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 2139 transitions. [2021-11-25 08:00:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:29,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:29,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:29,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:29,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:29,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:00:29,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:00:30,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:30,329 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:30,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:30,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:30,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 939 states and 2148 transitions. [2021-11-25 08:00:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 2148 transitions. [2021-11-25 08:00:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:31,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:31,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:31,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:31,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:31,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:31,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:32,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:32,682 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:32,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:32,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:32,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:33,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 943 states and 2157 transitions. [2021-11-25 08:00:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 2157 transitions. [2021-11-25 08:00:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:33,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:33,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:33,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:33,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:33,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:33,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:34,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:34,368 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:34,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:34,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:34,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 947 states and 2166 transitions. [2021-11-25 08:00:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 2166 transitions. [2021-11-25 08:00:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:34,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:34,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:35,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:00:35,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:35,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:35,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:36,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:36,135 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:36,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:36,240 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 31 treesize of output 16 [2021-11-25 08:00:36,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 951 states and 2175 transitions. [2021-11-25 08:00:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 2175 transitions. [2021-11-25 08:00:36,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:36,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:36,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:36,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:36,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:00:36,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:00:37,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:37,918 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:37,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:38,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:38,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 955 states and 2184 transitions. [2021-11-25 08:00:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 2184 transitions. [2021-11-25 08:00:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:38,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:38,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:38,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:38,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:38,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:38,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:39,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:39,742 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:39,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:39,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:40,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 959 states and 2193 transitions. [2021-11-25 08:00:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 2193 transitions. [2021-11-25 08:00:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:40,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:40,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:40,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:40,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:40,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:40,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:41,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:41,380 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:41,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:41,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:41,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:41,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 963 states and 2202 transitions. [2021-11-25 08:00:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 2202 transitions. [2021-11-25 08:00:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:41,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:41,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:42,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:42,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:42,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:42,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:43,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:43,171 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:43,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:43,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:43,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 967 states and 2211 transitions. [2021-11-25 08:00:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 2211 transitions. [2021-11-25 08:00:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:43,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:43,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:43,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:43,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:43,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:43,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:44,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:44,953 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:44,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:45,061 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 31 treesize of output 16 [2021-11-25 08:00:45,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 971 states and 2220 transitions. [2021-11-25 08:00:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 2220 transitions. [2021-11-25 08:00:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:45,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:45,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:45,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:45,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:45,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:45,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:46,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:46,792 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:46,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:46,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:47,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 975 states and 2229 transitions. [2021-11-25 08:00:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 2229 transitions. [2021-11-25 08:00:47,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:47,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:47,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:47,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:47,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:47,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:47,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:48,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:48,496 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:48,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:48,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:48,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 979 states and 2238 transitions. [2021-11-25 08:00:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 2238 transitions. [2021-11-25 08:00:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:49,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:49,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:49,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:49,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:49,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:49,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:50,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:50,273 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:50,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:50,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:50,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 983 states and 2247 transitions. [2021-11-25 08:00:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 2247 transitions. [2021-11-25 08:00:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:50,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:50,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:50,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:50,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:50,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:50,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:51,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:51,907 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:51,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:52,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:00:52,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 987 states and 2256 transitions. [2021-11-25 08:00:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 2256 transitions. [2021-11-25 08:00:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:52,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:52,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:52,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:52,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:52,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:52,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:53,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:53,610 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:53,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:53,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:53,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:54,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:54,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 991 states and 2265 transitions. [2021-11-25 08:00:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 2265 transitions. [2021-11-25 08:00:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:54,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:54,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:54,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:00:54,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:54,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:54,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:55,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:55,414 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:55,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:55,479 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 31 treesize of output 16 [2021-11-25 08:00:55,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 995 states and 2274 transitions. [2021-11-25 08:00:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 2274 transitions. [2021-11-25 08:00:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:55,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:55,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:56,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:56,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:56,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:56,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:57,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:57,086 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:57,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:57,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:57,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:00:57,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 999 states and 2283 transitions. [2021-11-25 08:00:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 2283 transitions. [2021-11-25 08:00:57,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:57,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:57,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:57,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:00:57,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:57,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:57,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:00:58,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:00:58,780 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:00:58,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:00:58,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:00:58,917 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 52 treesize of output 22 [2021-11-25 08:00:59,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:00:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:00:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 1003 states and 2292 transitions. [2021-11-25 08:00:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 2292 transitions. [2021-11-25 08:00:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:00:59,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:59,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:59,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:00:59,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:00:59,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:00:59,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:00,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:00,646 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:00,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:00,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:00,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:01,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 1007 states and 2301 transitions. [2021-11-25 08:01:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 2301 transitions. [2021-11-25 08:01:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:01,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:01,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:01,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:01,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:01,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:01,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:02,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:02,507 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:02,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:02,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:02,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:03,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 1011 states and 2310 transitions. [2021-11-25 08:01:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2310 transitions. [2021-11-25 08:01:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:03,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:03,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:03,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:03,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:03,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:03,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:04,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:04,318 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:04,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:04,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:04,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:04,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 1015 states and 2319 transitions. [2021-11-25 08:01:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 2319 transitions. [2021-11-25 08:01:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:05,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:05,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:05,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:05,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:05,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:05,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:06,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:06,272 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:06,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:06,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:06,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 1019 states and 2328 transitions. [2021-11-25 08:01:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2328 transitions. [2021-11-25 08:01:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:06,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:06,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:06,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:06,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:06,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:06,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:08,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:08,117 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:08,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:08,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:08,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 1023 states and 2337 transitions. [2021-11-25 08:01:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 2337 transitions. [2021-11-25 08:01:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:08,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:08,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:08,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:08,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:08,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:08,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:09,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:09,949 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:09,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:10,026 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 31 treesize of output 16 [2021-11-25 08:01:10,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 1027 states and 2346 transitions. [2021-11-25 08:01:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 2346 transitions. [2021-11-25 08:01:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:10,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:10,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:10,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:10,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:10,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:10,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:11,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:11,814 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:11,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:11,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:12,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 1031 states and 2355 transitions. [2021-11-25 08:01:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 2355 transitions. [2021-11-25 08:01:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:12,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:12,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:12,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:12,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:12,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:12,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:13,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:13,762 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:13,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:13,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:13,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:14,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 1035 states and 2364 transitions. [2021-11-25 08:01:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2364 transitions. [2021-11-25 08:01:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:14,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:14,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:14,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:14,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:14,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:01:14,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:01:15,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:15,712 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:15,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:15,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:15,876 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 52 treesize of output 22 [2021-11-25 08:01:16,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 1039 states and 2373 transitions. [2021-11-25 08:01:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2373 transitions. [2021-11-25 08:01:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:16,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:16,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:16,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:16,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:16,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:16,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:17,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:17,658 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:17,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:17,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:17,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:18,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 1043 states and 2382 transitions. [2021-11-25 08:01:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 2382 transitions. [2021-11-25 08:01:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:18,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:18,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:18,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:18,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:18,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:18,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:19,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:19,617 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:19,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:19,719 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 31 treesize of output 16 [2021-11-25 08:01:20,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 1047 states and 2391 transitions. [2021-11-25 08:01:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 2391 transitions. [2021-11-25 08:01:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:20,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:20,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:20,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:20,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:20,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:20,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:21,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:21,543 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:21,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:21,599 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 31 treesize of output 16 [2021-11-25 08:01:22,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:22,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 1051 states and 2400 transitions. [2021-11-25 08:01:22,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 2400 transitions. [2021-11-25 08:01:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:22,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:22,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:22,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:22,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:22,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:22,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:23,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:23,457 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:23,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:23,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:23,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 1055 states and 2409 transitions. [2021-11-25 08:01:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 2409 transitions. [2021-11-25 08:01:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:24,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:24,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:24,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 08:01:24,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:24,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:01:24,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:01:25,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:25,444 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:25,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:25,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:25,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 1059 states and 2418 transitions. [2021-11-25 08:01:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 2418 transitions. [2021-11-25 08:01:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:26,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:26,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:26,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:26,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:01:26,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:01:27,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:27,409 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:27,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:27,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:27,574 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 52 treesize of output 22 [2021-11-25 08:01:27,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 1063 states and 2427 transitions. [2021-11-25 08:01:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2427 transitions. [2021-11-25 08:01:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:28,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:28,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:28,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:28,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:28,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:28,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:29,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:29,397 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:29,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:29,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:29,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 1067 states and 2436 transitions. [2021-11-25 08:01:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2436 transitions. [2021-11-25 08:01:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:30,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:30,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:30,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:30,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:30,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:30,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:31,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:31,346 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:31,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:31,440 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:31,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:31,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 1071 states and 2445 transitions. [2021-11-25 08:01:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 2445 transitions. [2021-11-25 08:01:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:31,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:31,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:32,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:32,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:32,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:32,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:33,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:33,205 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:33,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:33,296 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 31 treesize of output 16 [2021-11-25 08:01:33,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 1075 states and 2454 transitions. [2021-11-25 08:01:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 2454 transitions. [2021-11-25 08:01:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:33,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:33,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:33,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:33,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:33,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:33,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:35,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:35,126 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:35,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:35,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:35,253 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 52 treesize of output 22 [2021-11-25 08:01:35,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:35,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 1079 states and 2463 transitions. [2021-11-25 08:01:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2463 transitions. [2021-11-25 08:01:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:35,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:35,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:35,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:35,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:35,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:35,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:37,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:37,117 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:37,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:37,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:37,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:37,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 1083 states and 2472 transitions. [2021-11-25 08:01:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 2472 transitions. [2021-11-25 08:01:37,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:37,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:37,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:37,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:37,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:37,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:37,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:39,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:39,085 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:39,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:39,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:39,210 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 52 treesize of output 22 [2021-11-25 08:01:39,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 1087 states and 2481 transitions. [2021-11-25 08:01:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 2481 transitions. [2021-11-25 08:01:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:39,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:39,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:39,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:39,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:39,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:39,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:40,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:41,049 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:41,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:41,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:41,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 1091 states and 2490 transitions. [2021-11-25 08:01:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2490 transitions. [2021-11-25 08:01:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:42,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:42,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:42,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:42,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:42,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:42,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:43,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:43,778 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:43,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:43,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:44,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:44,358 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 1095 states and 2499 transitions. [2021-11-25 08:01:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 2499 transitions. [2021-11-25 08:01:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:45,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:45,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:45,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:45,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:45,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:45,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:46,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:46,646 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:46,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:46,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:46,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:47,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 1099 states and 2508 transitions. [2021-11-25 08:01:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2508 transitions. [2021-11-25 08:01:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:48,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:48,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:48,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:01:48,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:48,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:48,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:49,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:49,478 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:49,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:49,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:49,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 1103 states and 2517 transitions. [2021-11-25 08:01:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 2517 transitions. [2021-11-25 08:01:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:51,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:51,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:51,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:51,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:51,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:51,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:52,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:52,367 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:52,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:52,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:01:52,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:01:52,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 1107 states and 2526 transitions. [2021-11-25 08:01:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2526 transitions. [2021-11-25 08:01:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:53,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:53,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:53,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:53,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:54,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:54,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:55,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:55,333 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:55,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:55,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:55,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 1111 states and 2535 transitions. [2021-11-25 08:01:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2535 transitions. [2021-11-25 08:01:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:55,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:55,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:56,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:01:56,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:56,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:56,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:57,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:57,312 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:57,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:57,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:57,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 1115 states and 2544 transitions. [2021-11-25 08:01:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 2544 transitions. [2021-11-25 08:01:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:57,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:57,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:57,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:01:57,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:01:58,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:01:58,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:01:59,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:01:59,270 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:01:59,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:01:59,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:01:59,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:01:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:01:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1119 states and 2553 transitions. [2021-11-25 08:01:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2553 transitions. [2021-11-25 08:01:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:01:59,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:59,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:00,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:00,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:00,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:00,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:01,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:01,254 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:01,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:01,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:02:01,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:02:01,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 1123 states and 2562 transitions. [2021-11-25 08:02:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2562 transitions. [2021-11-25 08:02:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:01,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:01,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:01,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:01,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:01,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:01,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:03,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:03,274 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:03,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:03,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:03,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 1127 states and 2571 transitions. [2021-11-25 08:02:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2571 transitions. [2021-11-25 08:02:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:03,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:03,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:04,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:04,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:04,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:02:04,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:02:05,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:05,208 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:05,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:05,256 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 31 treesize of output 16 [2021-11-25 08:02:05,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 1131 states and 2580 transitions. [2021-11-25 08:02:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 2580 transitions. [2021-11-25 08:02:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:05,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:05,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:05,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:02:05,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:05,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:05,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:07,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:07,218 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:07,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:07,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:07,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 1135 states and 2589 transitions. [2021-11-25 08:02:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2589 transitions. [2021-11-25 08:02:07,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:07,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:07,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:07,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:07,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:07,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:02:07,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:02:09,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:09,074 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:09,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:09,199 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 31 treesize of output 16 [2021-11-25 08:02:09,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 1139 states and 2598 transitions. [2021-11-25 08:02:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2598 transitions. [2021-11-25 08:02:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:09,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:09,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:09,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:09,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:09,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:09,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:11,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:11,171 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:11,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:11,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:02:11,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:02:11,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 1143 states and 2607 transitions. [2021-11-25 08:02:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2607 transitions. [2021-11-25 08:02:12,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:12,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:12,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:12,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:12,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:12,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:12,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:14,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:14,217 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:14,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:14,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:14,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 1147 states and 2616 transitions. [2021-11-25 08:02:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 2616 transitions. [2021-11-25 08:02:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:15,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:15,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:15,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:15,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:15,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:15,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:17,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:17,235 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:17,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:17,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:02:17,322 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 52 treesize of output 22 [2021-11-25 08:02:17,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 1151 states and 2625 transitions. [2021-11-25 08:02:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2625 transitions. [2021-11-25 08:02:18,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:18,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:18,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:18,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:18,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:18,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:18,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:20,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:20,206 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:20,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:20,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:20,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 1155 states and 2634 transitions. [2021-11-25 08:02:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2634 transitions. [2021-11-25 08:02:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:21,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:21,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:21,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:02:21,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:21,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:21,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:23,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:23,242 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:23,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:23,302 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 31 treesize of output 16 [2021-11-25 08:02:23,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:24,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 1159 states and 2643 transitions. [2021-11-25 08:02:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2643 transitions. [2021-11-25 08:02:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:24,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:24,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:24,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:24,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:24,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:24,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:26,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:26,219 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:26,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:26,300 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 31 treesize of output 16 [2021-11-25 08:02:26,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 1163 states and 2652 transitions. [2021-11-25 08:02:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2652 transitions. [2021-11-25 08:02:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:27,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:27,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:27,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:27,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:27,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:27,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:29,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:29,235 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:29,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:29,354 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 31 treesize of output 16 [2021-11-25 08:02:29,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 1167 states and 2661 transitions. [2021-11-25 08:02:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2661 transitions. [2021-11-25 08:02:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:30,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:30,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:30,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:30,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:31,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:31,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:32,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:32,322 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:32,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:32,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:32,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 1171 states and 2670 transitions. [2021-11-25 08:02:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2670 transitions. [2021-11-25 08:02:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:33,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:33,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:34,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:02:34,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:34,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:34,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:35,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:35,428 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:35,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:35,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:02:35,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:02:35,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 1175 states and 2679 transitions. [2021-11-25 08:02:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2679 transitions. [2021-11-25 08:02:37,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:37,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:37,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:37,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:37,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:37,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:02:37,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:02:38,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:38,513 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:38,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:38,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:02:38,657 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 52 treesize of output 22 [2021-11-25 08:02:39,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 1179 states and 2688 transitions. [2021-11-25 08:02:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2688 transitions. [2021-11-25 08:02:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:40,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:40,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:40,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:40,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:40,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:40,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:41,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:41,489 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:41,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:41,609 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 31 treesize of output 16 [2021-11-25 08:02:42,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 1183 states and 2697 transitions. [2021-11-25 08:02:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2697 transitions. [2021-11-25 08:02:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:43,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:43,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:43,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:43,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:43,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:43,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:44,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:44,557 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:44,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:44,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:45,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:45,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 1187 states and 2706 transitions. [2021-11-25 08:02:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2706 transitions. [2021-11-25 08:02:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:46,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:46,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:46,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:02:46,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:46,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:46,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:47,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:47,809 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:47,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:47,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:02:47,990 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 52 treesize of output 22 [2021-11-25 08:02:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 1191 states and 2715 transitions. [2021-11-25 08:02:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 2715 transitions. [2021-11-25 08:02:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:49,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:49,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:49,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:02:49,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:49,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:49,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:50,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:50,993 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:50,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:51,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:02:51,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:02:51,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 1195 states and 2724 transitions. [2021-11-25 08:02:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 2724 transitions. [2021-11-25 08:02:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:52,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:52,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:52,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:02:52,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:52,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:52,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:54,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:54,168 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:54,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:54,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:54,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:55,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 1199 states and 2733 transitions. [2021-11-25 08:02:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 2733 transitions. [2021-11-25 08:02:55,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:55,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:55,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:56,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:02:56,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:56,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:56,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:02:57,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:02:57,335 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:02:57,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:02:57,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:02:57,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:02:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:02:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 1203 states and 2742 transitions. [2021-11-25 08:02:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 2742 transitions. [2021-11-25 08:02:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:02:59,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:59,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:59,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:02:59,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:02:59,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:02:59,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:00,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:00,543 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:00,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:00,584 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 31 treesize of output 16 [2021-11-25 08:03:00,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 1207 states and 2751 transitions. [2021-11-25 08:03:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 2751 transitions. [2021-11-25 08:03:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:02,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:02,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:02,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:02,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:02,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:02,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:03,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:03,619 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:03,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:03,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:03,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:03:04,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 1211 states and 2760 transitions. [2021-11-25 08:03:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 2760 transitions. [2021-11-25 08:03:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:05,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:05,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:05,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:05,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:05,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:05,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:06,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:06,597 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:06,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:06,745 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 31 treesize of output 16 [2021-11-25 08:03:07,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 1215 states and 2769 transitions. [2021-11-25 08:03:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2769 transitions. [2021-11-25 08:03:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:08,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:08,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:08,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:08,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:08,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:08,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:09,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:09,873 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:09,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:09,950 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 31 treesize of output 16 [2021-11-25 08:03:10,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 1219 states and 2778 transitions. [2021-11-25 08:03:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2778 transitions. [2021-11-25 08:03:11,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:11,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:11,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:11,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:11,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:11,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:03:11,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:03:13,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:13,109 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:13,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:13,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:13,207 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 52 treesize of output 22 [2021-11-25 08:03:13,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 1223 states and 2787 transitions. [2021-11-25 08:03:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 2787 transitions. [2021-11-25 08:03:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:14,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:14,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:14,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:14,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:14,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:14,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:16,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:16,386 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:16,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:16,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:16,543 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 52 treesize of output 22 [2021-11-25 08:03:16,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 1227 states and 2796 transitions. [2021-11-25 08:03:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2796 transitions. [2021-11-25 08:03:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:18,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:18,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:18,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:18,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:18,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:18,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:19,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:19,394 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:19,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:19,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:19,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 1231 states and 2805 transitions. [2021-11-25 08:03:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2805 transitions. [2021-11-25 08:03:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:21,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:21,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:21,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:21,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:21,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:21,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:22,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:22,496 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:22,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:22,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:22,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:24,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 1235 states and 2814 transitions. [2021-11-25 08:03:24,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 2814 transitions. [2021-11-25 08:03:24,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:24,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:24,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:24,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:24,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:24,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:24,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:25,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:25,523 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:25,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:25,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:26,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:27,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 1239 states and 2823 transitions. [2021-11-25 08:03:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2823 transitions. [2021-11-25 08:03:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:27,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:27,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:27,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:27,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:27,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:27,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:28,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:28,646 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:28,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:28,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:29,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 1243 states and 2832 transitions. [2021-11-25 08:03:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 2832 transitions. [2021-11-25 08:03:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:30,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:30,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:30,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:30,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:30,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:30,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:31,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:31,689 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:31,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:31,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:32,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 1247 states and 2841 transitions. [2021-11-25 08:03:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2841 transitions. [2021-11-25 08:03:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:33,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:33,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:33,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:33,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:33,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:33,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:34,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:34,613 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:34,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:34,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:34,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:03:35,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 1251 states and 2850 transitions. [2021-11-25 08:03:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 2850 transitions. [2021-11-25 08:03:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:36,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:36,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:36,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:36,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:36,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:36,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:37,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:37,697 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:37,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:37,759 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 31 treesize of output 16 [2021-11-25 08:03:38,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 1255 states and 2859 transitions. [2021-11-25 08:03:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2859 transitions. [2021-11-25 08:03:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:39,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:39,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:39,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:39,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:39,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:39,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:40,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:40,751 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:40,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:40,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:41,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 1259 states and 2868 transitions. [2021-11-25 08:03:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2868 transitions. [2021-11-25 08:03:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:42,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:42,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:42,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:42,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:42,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:42,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:43,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:43,864 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:43,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:44,004 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 31 treesize of output 16 [2021-11-25 08:03:44,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 1263 states and 2877 transitions. [2021-11-25 08:03:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2877 transitions. [2021-11-25 08:03:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:44,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:44,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:44,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:44,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:44,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:44,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:45,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:45,759 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:45,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:45,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:45,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:03:46,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 1267 states and 2886 transitions. [2021-11-25 08:03:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 2886 transitions. [2021-11-25 08:03:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:46,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:46,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:46,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:03:46,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:46,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:46,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:47,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:47,772 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:47,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:47,910 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 31 treesize of output 16 [2021-11-25 08:03:48,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 1271 states and 2895 transitions. [2021-11-25 08:03:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 2895 transitions. [2021-11-25 08:03:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:48,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:48,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:48,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:48,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:48,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:48,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:49,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:49,936 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:49,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:50,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:50,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:50,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 1275 states and 2904 transitions. [2021-11-25 08:03:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 2904 transitions. [2021-11-25 08:03:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:50,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:50,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:50,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:50,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:50,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:50,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:51,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:52,014 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:52,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:52,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:52,192 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 52 treesize of output 22 [2021-11-25 08:03:52,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 1279 states and 2913 transitions. [2021-11-25 08:03:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2913 transitions. [2021-11-25 08:03:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:52,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:52,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:52,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:52,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:52,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:52,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:54,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:54,168 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:54,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:54,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:54,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:03:54,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 1283 states and 2922 transitions. [2021-11-25 08:03:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2922 transitions. [2021-11-25 08:03:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:54,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:54,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:54,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:54,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:54,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:54,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:56,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:56,199 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:56,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:56,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:03:56,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:03:56,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 1287 states and 2931 transitions. [2021-11-25 08:03:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 2931 transitions. [2021-11-25 08:03:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:56,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:56,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:56,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:56,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:56,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:56,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:03:58,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:03:58,317 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:03:58,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:03:58,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:03:58,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:03:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 1291 states and 2940 transitions. [2021-11-25 08:03:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 2940 transitions. [2021-11-25 08:03:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:59,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:59,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:59,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:03:59,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:03:59,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:03:59,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:00,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:00,399 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:00,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:00,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:00,592 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 52 treesize of output 22 [2021-11-25 08:04:00,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 1295 states and 2949 transitions. [2021-11-25 08:04:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2949 transitions. [2021-11-25 08:04:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:01,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:01,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:01,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:01,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:01,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:04:01,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:04:02,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:02,531 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:02,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:02,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:02,709 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 52 treesize of output 22 [2021-11-25 08:04:03,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 1299 states and 2958 transitions. [2021-11-25 08:04:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 2958 transitions. [2021-11-25 08:04:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:03,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:03,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:03,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:03,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:03,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:03,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:04,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:04,707 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:04,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:04,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:04,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:05,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 1303 states and 2967 transitions. [2021-11-25 08:04:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2967 transitions. [2021-11-25 08:04:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:05,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:05,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:05,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:04:05,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:05,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:05,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:06,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:06,803 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:06,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:06,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:04:07,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 1307 states and 2976 transitions. [2021-11-25 08:04:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 2976 transitions. [2021-11-25 08:04:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:07,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:07,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:07,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:07,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:07,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:04:07,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:04:08,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:08,968 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:08,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:09,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:09,056 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 52 treesize of output 22 [2021-11-25 08:04:09,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 1311 states and 2985 transitions. [2021-11-25 08:04:09,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2985 transitions. [2021-11-25 08:04:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:09,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:09,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:09,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:04:09,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:09,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:09,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:10,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:11,013 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:11,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:11,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:11,199 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 52 treesize of output 22 [2021-11-25 08:04:11,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 1315 states and 2994 transitions. [2021-11-25 08:04:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2994 transitions. [2021-11-25 08:04:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:11,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:11,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:11,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:04:11,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:11,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:11,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:13,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:13,192 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:13,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:13,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:04:13,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 1319 states and 3003 transitions. [2021-11-25 08:04:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 3003 transitions. [2021-11-25 08:04:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:15,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:15,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:15,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:15,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:15,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:15,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:16,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:16,468 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:16,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:16,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:04:16,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 1323 states and 3012 transitions. [2021-11-25 08:04:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 3012 transitions. [2021-11-25 08:04:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:18,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:18,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:18,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:18,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:18,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:18,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:19,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:19,839 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:19,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:19,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:19,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:20,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 1327 states and 3021 transitions. [2021-11-25 08:04:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 3021 transitions. [2021-11-25 08:04:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:21,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:21,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:21,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:04:21,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:21,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:21,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:23,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:23,079 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:23,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:23,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:23,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:23,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:25,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 1331 states and 3030 transitions. [2021-11-25 08:04:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 3030 transitions. [2021-11-25 08:04:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:25,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:25,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:25,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:25,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:25,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:25,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:26,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:26,584 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:26,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:26,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:26,748 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 52 treesize of output 22 [2021-11-25 08:04:27,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:27,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 1335 states and 3039 transitions. [2021-11-25 08:04:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 3039 transitions. [2021-11-25 08:04:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:28,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:28,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:28,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:28,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:28,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:28,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:30,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:30,300 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:30,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:30,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:04:30,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 1339 states and 3048 transitions. [2021-11-25 08:04:32,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 3048 transitions. [2021-11-25 08:04:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:32,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:32,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:32,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:04:32,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:32,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:32,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:34,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:34,232 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:34,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:34,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:34,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:34,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 1343 states and 3057 transitions. [2021-11-25 08:04:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 3057 transitions. [2021-11-25 08:04:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:36,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:36,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:36,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:36,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:36,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:04:36,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:04:37,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:38,062 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:38,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:38,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:38,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:38,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 1347 states and 3066 transitions. [2021-11-25 08:04:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 3066 transitions. [2021-11-25 08:04:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:40,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:40,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:40,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:04:40,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:40,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:40,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:41,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:42,061 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:42,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:42,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:42,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:42,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1351 states and 3075 transitions. [2021-11-25 08:04:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 3075 transitions. [2021-11-25 08:04:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:44,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:44,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:44,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:44,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:44,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:44,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:45,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:45,914 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:45,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:46,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:46,087 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 52 treesize of output 22 [2021-11-25 08:04:46,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 1355 states and 3084 transitions. [2021-11-25 08:04:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 3084 transitions. [2021-11-25 08:04:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:48,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:48,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:48,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:04:48,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:48,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:48,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:49,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:49,721 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:49,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:49,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:49,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:50,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 1359 states and 3093 transitions. [2021-11-25 08:04:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 3093 transitions. [2021-11-25 08:04:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:51,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:51,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:51,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:51,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:52,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:04:52,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:04:53,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:53,527 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:53,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:53,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:53,613 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 52 treesize of output 22 [2021-11-25 08:04:54,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:55,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 1363 states and 3102 transitions. [2021-11-25 08:04:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 3102 transitions. [2021-11-25 08:04:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:55,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:55,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:55,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:04:55,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:55,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:04:55,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:04:57,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:04:57,215 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:04:57,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:04:57,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:04:57,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:04:57,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:04:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 1367 states and 3111 transitions. [2021-11-25 08:04:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 3111 transitions. [2021-11-25 08:04:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:04:59,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:59,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:59,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:04:59,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:04:59,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:04:59,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:05:01,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:01,196 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:01,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:01,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:01,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:05:01,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1371 states and 3120 transitions. [2021-11-25 08:05:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 3120 transitions. [2021-11-25 08:05:03,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:03,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:03,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:03,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:05:03,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:03,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:03,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:05,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:05,155 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:05,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:05,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:05,316 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 52 treesize of output 22 [2021-11-25 08:05:05,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3469 states to 1375 states and 3129 transitions. [2021-11-25 08:05:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 3129 transitions. [2021-11-25 08:05:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:07,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:07,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:07,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:07,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:07,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:07,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:08,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:09,087 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:09,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:09,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:05:09,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3479 states to 1379 states and 3138 transitions. [2021-11-25 08:05:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 3138 transitions. [2021-11-25 08:05:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:11,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:11,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:11,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:11,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:11,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:11,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:12,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:13,061 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:13,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:13,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:13,318 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 52 treesize of output 22 [2021-11-25 08:05:13,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 1383 states and 3147 transitions. [2021-11-25 08:05:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 3147 transitions. [2021-11-25 08:05:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:15,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:15,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:15,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:15,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:15,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:15,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:17,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:17,106 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:17,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:17,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:17,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:05:17,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 1387 states and 3156 transitions. [2021-11-25 08:05:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 3156 transitions. [2021-11-25 08:05:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:19,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:19,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:19,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:19,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:19,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:19,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:21,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:21,077 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:21,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:21,181 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 31 treesize of output 16 [2021-11-25 08:05:21,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:21,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 1391 states and 3165 transitions. [2021-11-25 08:05:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 3165 transitions. [2021-11-25 08:05:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:23,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:23,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:23,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:23,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:23,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:23,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:24,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:24,997 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:24,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:25,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:25,165 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 52 treesize of output 22 [2021-11-25 08:05:25,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 1395 states and 3174 transitions. [2021-11-25 08:05:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 3174 transitions. [2021-11-25 08:05:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:25,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:25,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:25,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:25,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:25,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:25,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:27,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:27,198 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:27,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:27,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:27,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:05:27,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 1399 states and 3183 transitions. [2021-11-25 08:05:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 3183 transitions. [2021-11-25 08:05:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:27,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:27,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:28,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:05:28,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:28,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:28,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:29,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:29,636 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:29,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:29,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:29,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:05:30,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 1403 states and 3192 transitions. [2021-11-25 08:05:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 3192 transitions. [2021-11-25 08:05:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:30,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:30,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:30,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:30,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:30,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:05:30,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:05:32,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:32,196 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:32,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:32,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:05:32,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 1407 states and 3201 transitions. [2021-11-25 08:05:33,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 3201 transitions. [2021-11-25 08:05:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:33,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:33,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:33,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:05:33,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:33,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:33,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:34,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:34,839 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:34,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:34,919 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 31 treesize of output 16 [2021-11-25 08:05:35,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 1411 states and 3210 transitions. [2021-11-25 08:05:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 3210 transitions. [2021-11-25 08:05:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:35,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:35,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:35,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:05:35,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:36,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2021-11-25 08:05:36,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2021-11-25 08:05:38,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:38,158 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:38,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:38,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:05:38,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 1415 states and 3219 transitions. [2021-11-25 08:05:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 3219 transitions. [2021-11-25 08:05:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:39,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:39,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:39,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:05:39,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:39,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:39,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:41,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:41,474 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:41,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:41,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:05:42,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 1419 states and 3228 transitions. [2021-11-25 08:05:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 3228 transitions. [2021-11-25 08:05:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:42,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:42,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:42,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:05:42,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:42,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:42,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:44,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:44,214 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:44,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:44,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:44,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:05:44,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 1423 states and 3237 transitions. [2021-11-25 08:05:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 3237 transitions. [2021-11-25 08:05:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:45,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:45,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:45,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:05:45,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:45,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:45,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:46,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:46,916 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:46,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:47,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:05:47,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:05:47,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 1427 states and 3246 transitions. [2021-11-25 08:05:47,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 3246 transitions. [2021-11-25 08:05:47,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:47,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:47,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:47,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:47,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:47,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:47,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:49,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:49,476 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:49,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:49,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:05:50,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 1431 states and 3255 transitions. [2021-11-25 08:05:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 3255 transitions. [2021-11-25 08:05:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:50,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:50,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:50,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:05:50,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:50,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:50,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:52,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:52,184 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:52,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:52,364 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 31 treesize of output 16 [2021-11-25 08:05:52,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 1435 states and 3264 transitions. [2021-11-25 08:05:53,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 3264 transitions. [2021-11-25 08:05:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:53,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:53,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:53,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:05:53,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:53,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:53,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:05:54,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:54,941 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:54,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:55,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:05:55,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 1439 states and 3273 transitions. [2021-11-25 08:05:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 3273 transitions. [2021-11-25 08:05:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:55,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:55,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:55,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:05:55,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:55,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:05:55,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:05:57,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:05:57,815 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:05:57,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:05:57,986 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 31 treesize of output 16 [2021-11-25 08:05:58,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:05:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:05:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 1443 states and 3282 transitions. [2021-11-25 08:05:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 3282 transitions. [2021-11-25 08:05:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:05:58,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:58,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:58,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:05:58,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:05:58,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:05:58,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:00,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:00,425 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:00,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:00,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:00,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:06:01,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 1447 states and 3291 transitions. [2021-11-25 08:06:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 3291 transitions. [2021-11-25 08:06:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:01,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:01,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:01,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:06:01,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:01,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:01,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:03,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:03,085 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:03,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:03,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:06:03,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:04,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:04,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 1451 states and 3300 transitions. [2021-11-25 08:06:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 3300 transitions. [2021-11-25 08:06:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:04,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:04,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:04,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:04,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:04,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:04,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:05,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:05,714 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:05,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:05,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:05,856 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 52 treesize of output 22 [2021-11-25 08:06:06,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 1455 states and 3309 transitions. [2021-11-25 08:06:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 3309 transitions. [2021-11-25 08:06:06,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:06,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:06,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:06,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:06:06,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:06,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:06:06,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:06:08,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:08,351 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:08,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:08,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:08,502 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 52 treesize of output 22 [2021-11-25 08:06:09,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 1459 states and 3318 transitions. [2021-11-25 08:06:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 3318 transitions. [2021-11-25 08:06:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:09,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:09,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:09,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:09,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:09,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:09,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:10,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:10,961 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:10,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:11,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:11,179 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 52 treesize of output 22 [2021-11-25 08:06:11,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 1463 states and 3327 transitions. [2021-11-25 08:06:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 3327 transitions. [2021-11-25 08:06:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:11,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:11,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:11,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:06:11,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:12,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:12,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:13,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:13,723 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:13,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:13,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:06:14,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:14,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 1467 states and 3336 transitions. [2021-11-25 08:06:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 3336 transitions. [2021-11-25 08:06:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:14,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:14,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:14,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:06:14,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:14,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:06:14,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:06:16,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:16,508 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:16,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:16,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:16,693 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 52 treesize of output 22 [2021-11-25 08:06:17,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 1471 states and 3345 transitions. [2021-11-25 08:06:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 3345 transitions. [2021-11-25 08:06:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:17,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:17,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:17,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:17,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:17,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:17,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:19,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:19,273 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:19,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:19,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:19,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:06:20,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 1475 states and 3354 transitions. [2021-11-25 08:06:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 3354 transitions. [2021-11-25 08:06:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:20,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:20,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:20,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:20,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:20,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:20,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:21,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:21,728 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:21,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:21,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:21,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:06:22,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 1479 states and 3363 transitions. [2021-11-25 08:06:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 3363 transitions. [2021-11-25 08:06:22,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:22,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:22,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:22,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:06:22,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:22,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:22,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:24,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:24,284 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:24,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:24,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:24,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:06:24,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 1483 states and 3372 transitions. [2021-11-25 08:06:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 3372 transitions. [2021-11-25 08:06:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:25,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:25,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:25,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:06:25,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:25,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:25,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:26,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:26,981 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:26,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:27,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:27,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:06:27,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 1487 states and 3381 transitions. [2021-11-25 08:06:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 3381 transitions. [2021-11-25 08:06:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:27,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:27,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:27,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:27,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:27,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:27,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:29,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:29,683 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:29,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:29,810 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 31 treesize of output 16 [2021-11-25 08:06:30,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:30,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:30,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 1491 states and 3390 transitions. [2021-11-25 08:06:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 3390 transitions. [2021-11-25 08:06:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:30,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:30,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:30,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:30,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:30,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:30,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:32,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:32,443 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:32,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:32,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:32,629 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 52 treesize of output 22 [2021-11-25 08:06:33,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 1495 states and 3399 transitions. [2021-11-25 08:06:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 3399 transitions. [2021-11-25 08:06:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:33,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:33,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:33,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:06:33,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:33,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:33,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:35,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:35,247 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:35,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:35,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:35,395 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 52 treesize of output 22 [2021-11-25 08:06:35,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 1499 states and 3408 transitions. [2021-11-25 08:06:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 3408 transitions. [2021-11-25 08:06:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:36,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:36,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:36,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:36,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:36,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:36,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:37,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:37,778 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:37,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:37,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:06:38,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 1503 states and 3417 transitions. [2021-11-25 08:06:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 3417 transitions. [2021-11-25 08:06:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:38,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:38,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:38,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:06:38,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:38,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:38,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:40,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:40,462 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:40,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:40,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:40,701 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 52 treesize of output 22 [2021-11-25 08:06:41,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3799 states to 1507 states and 3426 transitions. [2021-11-25 08:06:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 3426 transitions. [2021-11-25 08:06:41,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:41,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:41,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:41,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:41,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:41,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:41,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:43,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:43,266 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:43,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:43,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:06:43,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 1511 states and 3435 transitions. [2021-11-25 08:06:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 3435 transitions. [2021-11-25 08:06:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:47,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:47,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:47,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:06:47,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:47,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:06:47,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:06:49,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:49,088 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:49,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:49,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:06:49,322 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 52 treesize of output 22 [2021-11-25 08:06:49,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 1515 states and 3444 transitions. [2021-11-25 08:06:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 3444 transitions. [2021-11-25 08:06:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:51,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:51,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:51,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:06:51,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:51,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:06:51,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:06:53,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:53,570 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:53,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:53,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:06:54,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:06:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 1519 states and 3453 transitions. [2021-11-25 08:06:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 3453 transitions. [2021-11-25 08:06:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:06:57,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:57,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:57,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:06:57,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:06:58,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:06:58,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:06:59,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:06:59,807 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:06:59,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:06:59,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:07:00,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:07:00,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 1523 states and 3462 transitions. [2021-11-25 08:07:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 3462 transitions. [2021-11-25 08:07:04,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:04,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:04,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:04,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:04,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:04,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:04,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:06,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:06,129 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:06,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:06,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:07:06,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:08,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 1527 states and 3471 transitions. [2021-11-25 08:07:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 3471 transitions. [2021-11-25 08:07:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:08,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:08,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:08,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:07:08,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:08,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:08,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:10,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:10,451 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:10,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:10,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:07:11,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 1531 states and 3480 transitions. [2021-11-25 08:07:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 3480 transitions. [2021-11-25 08:07:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:13,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:13,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:13,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:07:13,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:13,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:13,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:14,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:14,990 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:14,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:15,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:07:15,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:07:15,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 1535 states and 3489 transitions. [2021-11-25 08:07:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 3489 transitions. [2021-11-25 08:07:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:17,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:17,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:17,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:07:17,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:17,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:17,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:19,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:19,351 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:19,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:19,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:07:20,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:22,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 1539 states and 3498 transitions. [2021-11-25 08:07:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 3498 transitions. [2021-11-25 08:07:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:22,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:22,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:22,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:22,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:22,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:22,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:23,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:23,887 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:23,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:23,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:07:23,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:07:24,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 1543 states and 3507 transitions. [2021-11-25 08:07:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 3507 transitions. [2021-11-25 08:07:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:26,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:26,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:26,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:26,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:26,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:26,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:28,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:28,426 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:28,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:28,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:07:29,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 1547 states and 3516 transitions. [2021-11-25 08:07:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 3516 transitions. [2021-11-25 08:07:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:31,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:31,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:31,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:07:31,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:31,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:31,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:32,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:33,096 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:33,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:33,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:07:33,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 1551 states and 3525 transitions. [2021-11-25 08:07:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 3525 transitions. [2021-11-25 08:07:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:35,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:35,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:35,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:35,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:35,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:07:35,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:07:37,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:37,602 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:37,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:37,686 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 31 treesize of output 16 [2021-11-25 08:07:38,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 1555 states and 3534 transitions. [2021-11-25 08:07:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 3534 transitions. [2021-11-25 08:07:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:40,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:40,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:40,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:40,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:40,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:07:40,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:07:42,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:42,227 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:42,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:42,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:07:42,414 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 52 treesize of output 22 [2021-11-25 08:07:42,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 1559 states and 3543 transitions. [2021-11-25 08:07:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 3543 transitions. [2021-11-25 08:07:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:45,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:45,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:45,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:45,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:45,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:45,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:46,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:46,895 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:46,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:47,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:07:47,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:07:47,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 1563 states and 3552 transitions. [2021-11-25 08:07:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 3552 transitions. [2021-11-25 08:07:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:49,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:49,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:49,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:49,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:49,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:49,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:51,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:51,790 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:51,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:51,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:07:52,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 1567 states and 3561 transitions. [2021-11-25 08:07:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 3561 transitions. [2021-11-25 08:07:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:54,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:54,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:54,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:07:54,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:54,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:54,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:07:56,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:07:56,356 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:07:56,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:07:56,421 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 31 treesize of output 16 [2021-11-25 08:07:56,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:07:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 1571 states and 3570 transitions. [2021-11-25 08:07:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 3570 transitions. [2021-11-25 08:07:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:07:59,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:59,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:59,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:07:59,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:07:59,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:07:59,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:00,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:00,959 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:00,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:01,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:08:01,161 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 52 treesize of output 22 [2021-11-25 08:08:01,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 1575 states and 3579 transitions. [2021-11-25 08:08:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 3579 transitions. [2021-11-25 08:08:03,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:03,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:03,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:03,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:08:03,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:03,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:03,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:05,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:05,402 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:05,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:05,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:08:05,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:08:06,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:08,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 1579 states and 3588 transitions. [2021-11-25 08:08:08,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 3588 transitions. [2021-11-25 08:08:08,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:08,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:08,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:08,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:08:08,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:08,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:08,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:10,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:10,117 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:10,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:10,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:08:10,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 1583 states and 3597 transitions. [2021-11-25 08:08:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 3597 transitions. [2021-11-25 08:08:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:12,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:12,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:13,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:08:13,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:13,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:13,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:14,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:14,641 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:14,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:14,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:08:14,751 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 52 treesize of output 22 [2021-11-25 08:08:15,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 1587 states and 3606 transitions. [2021-11-25 08:08:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 3606 transitions. [2021-11-25 08:08:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:17,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:17,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:17,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:08:17,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:17,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:17,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:19,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:19,120 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:19,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:19,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:08:19,377 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 52 treesize of output 22 [2021-11-25 08:08:19,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 1591 states and 3615 transitions. [2021-11-25 08:08:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 3615 transitions. [2021-11-25 08:08:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:22,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:22,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:22,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:08:22,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:22,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:22,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:23,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:23,792 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:23,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:23,965 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 31 treesize of output 16 [2021-11-25 08:08:24,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:26,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 1595 states and 3624 transitions. [2021-11-25 08:08:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 3624 transitions. [2021-11-25 08:08:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:26,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:26,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:26,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:08:26,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:26,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 08:08:26,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 08:08:28,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:28,540 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:28,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:28,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:08:29,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4029 states to 1599 states and 3633 transitions. [2021-11-25 08:08:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 3633 transitions. [2021-11-25 08:08:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:31,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:31,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:31,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:08:31,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:31,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:31,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:33,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:33,274 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:33,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:33,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:08:33,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:08:33,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 1603 states and 3642 transitions. [2021-11-25 08:08:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 3642 transitions. [2021-11-25 08:08:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:36,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:36,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:36,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:08:36,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:36,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:36,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:38,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:38,071 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:38,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:38,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:08:38,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 08:08:38,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 1607 states and 3651 transitions. [2021-11-25 08:08:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 3651 transitions. [2021-11-25 08:08:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:40,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:40,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:41,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:08:41,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:41,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:41,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:42,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:42,956 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:42,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:43,016 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 31 treesize of output 16 [2021-11-25 08:08:43,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 1611 states and 3660 transitions. [2021-11-25 08:08:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 3660 transitions. [2021-11-25 08:08:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:45,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:45,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:45,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:08:45,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:45,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:45,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 08:08:47,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 133 [2021-11-25 08:08:47,613 INFO L354 Elim1Store]: treesize reduction 374, result has 1.8 percent of original size [2021-11-25 08:08:47,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 132 treesize of output 108 [2021-11-25 08:08:47,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-11-25 08:08:48,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-25 08:08:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 1615 states and 3669 transitions. [2021-11-25 08:08:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 3669 transitions. [2021-11-25 08:08:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:48,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:48,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:48,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:08:48,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:48,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 08:08:48,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29