./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array5_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_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/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_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array5_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/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_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/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 3dd3ea9d30e76cbd39a744e53feb2b89c359b5b85c7df24161ceaf060cda3b02 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:58:54,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:58:54,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:58:54,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:58:54,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:58:54,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:58:54,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:58:54,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:58:54,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:58:54,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:58:54,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:58:54,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:58:54,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:58:54,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:58:54,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:58:54,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:58:54,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:58:54,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:58:54,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:58:54,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:58:54,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:58:54,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:58:54,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:58:54,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:58:54,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:58:54,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:58:54,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:58:54,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:58:54,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:58:54,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:58:54,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:58:54,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:58:54,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:58:54,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:58:54,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:58:54,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:58:54,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:58:54,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:58:54,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:58:54,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:58:54,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:58:54,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:58:54,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:58:54,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:58:54,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:58:54,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:58:54,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:58:54,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:58:54,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:58:54,339 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:58:54,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:58:54,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:58:54,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:58:54,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:58:54,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:58:54,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:58:54,347 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:58:54,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:58:54,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:58:54,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:58:54,348 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:58:54,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:58:54,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:58:54,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:58:54,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:58:54,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:58:54,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:58:54,349 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:58:54,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:58:54,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:58:54,350 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_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dd3ea9d30e76cbd39a744e53feb2b89c359b5b85c7df24161ceaf060cda3b02 [2021-11-25 06:58:54,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:58:54,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:58:54,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:58:54,699 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:58:54,700 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:58:54,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-patterns/array5_pattern.c [2021-11-25 06:58:54,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/data/e5f987c6c/0e81fb848bbb4aabb23c3432d516e43f/FLAG44f2e8fbb [2021-11-25 06:58:55,226 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:58:55,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/sv-benchmarks/c/array-patterns/array5_pattern.c [2021-11-25 06:58:55,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/data/e5f987c6c/0e81fb848bbb4aabb23c3432d516e43f/FLAG44f2e8fbb [2021-11-25 06:58:55,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/data/e5f987c6c/0e81fb848bbb4aabb23c3432d516e43f [2021-11-25 06:58:55,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:58:55,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:58:55,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:58:55,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:58:55,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:58:55,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cbff09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55, skipping insertion in model container [2021-11-25 06:58:55,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:58:55,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:58:55,846 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_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/sv-benchmarks/c/array-patterns/array5_pattern.c[1890,1903] [2021-11-25 06:58:55,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:58:55,874 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:58:55,885 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_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/sv-benchmarks/c/array-patterns/array5_pattern.c[1890,1903] [2021-11-25 06:58:55,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:58:55,910 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:58:55,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55 WrapperNode [2021-11-25 06:58:55,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:58:55,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:58:55,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:58:55,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:58:55,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,949 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-11-25 06:58:55,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:58:55,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:58:55,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:58:55,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:58:55,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:58:55,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:58:55,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:58:55,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:58:55,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:55" (1/1) ... [2021-11-25 06:58:55,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:58:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:58:56,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:58:56,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a5e0244-7eef-4fee-9d9f-5b3f110a3e04/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:58:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:58:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 06:58:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 06:58:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:58:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:58:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:58:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:58:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:58:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:58:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:58:56,129 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:58:56,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:58:56,273 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:58:56,315 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:58:56,315 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 06:58:56,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:58:56 BoogieIcfgContainer [2021-11-25 06:58:56,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:58:56,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:58:56,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:58:56,329 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:58:56,329 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:58:56" (1/1) ... [2021-11-25 06:58:56,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:58:56,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-25 06:58:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-25 06:58:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:58:56,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:56,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:56,607 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 06:58:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-25 06:58:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-25 06:58:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:58:56,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:56,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:56,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:58:56,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:58:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:58:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 25 transitions. [2021-11-25 06:58:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-25 06:58:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:58:57,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:57,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:57,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:58:57,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:58:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:58:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 39 transitions. [2021-11-25 06:58:57,637 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-25 06:58:57,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:58:57,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:57,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:57,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:58:57,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:58:57,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:58:58,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 06:58:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:58:58,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:58:58,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:58:58,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:58:58,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:58:58,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:58:58,578 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:58:58,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:58:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:58:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:59,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 33 states and 64 transitions. [2021-11-25 06:58:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2021-11-25 06:58:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:58:59,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:59,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:00,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 06:59:00,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:00,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:00,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:00,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:00,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:00,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:00,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:00,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:00,494 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:00,755 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:00,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 33 states and 64 transitions. [2021-11-25 06:59:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2021-11-25 06:59:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:01,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:01,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:01,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-25 06:59:01,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:01,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:01,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 06:59:01,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 06:59:01,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 06:59:01,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 06:59:01,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 06:59:01,503 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 06:59:01,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:01,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 06:59:01,715 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:01,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 36 states and 78 transitions. [2021-11-25 06:59:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 78 transitions. [2021-11-25 06:59:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:02,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:02,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:02,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:59:02,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:02,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:02,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:02,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2021-11-25 06:59:02,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:59:03,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 65 [2021-11-25 06:59:03,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 53 [2021-11-25 06:59:03,338 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:03,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:03,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 15 [2021-11-25 06:59:03,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:03,635 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 06:59:03,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 17 [2021-11-25 06:59:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 39 states and 88 transitions. [2021-11-25 06:59:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2021-11-25 06:59:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:05,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:05,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:05,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 06:59:05,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:05,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:05,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:05,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:05,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:05,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:05,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:05,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:05,341 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:05,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 39 states and 88 transitions. [2021-11-25 06:59:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2021-11-25 06:59:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:05,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:05,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:05,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:05,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:05,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:05,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:05,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:05,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:05,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:05,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:05,713 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:05,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 39 states and 88 transitions. [2021-11-25 06:59:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2021-11-25 06:59:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:05,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:05,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:05,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-25 06:59:05,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:05,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:05,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:05,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 06:59:05,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:59:05,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 06:59:07,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:07,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:07,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 71 [2021-11-25 06:59:07,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:07,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 06:59:07,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:07,376 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:07,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 93 transitions. [2021-11-25 06:59:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 93 transitions. [2021-11-25 06:59:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:09,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:09,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:09,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:59:09,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:09,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:09,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 06:59:09,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 06:59:09,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 06:59:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:09,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 06:59:09,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 06:59:09,241 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 06:59:09,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:09,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 06:59:09,437 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:09,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:09,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:09,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:09,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:09,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:09,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:09,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:09,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:09,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:09,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:10,024 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:10,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:10,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:10,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:10,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:59:10,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:10,148 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 10 treesize of output 8 [2021-11-25 06:59:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:10,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:10,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:10,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:10,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:10,336 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:10,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:10,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:10,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:10,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:59:10,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:10,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:10,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:10,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:10,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:10,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:10,694 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:10,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:10,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:10,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:10,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:59:10,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:10,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:10,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:10,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:10,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:10,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:11,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:11,014 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:11,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:11,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:11,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:11,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:59:11,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:11,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:11,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:11,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:11,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:11,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:11,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:11,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:11,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:11,364 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:11,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:11,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:11,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:11,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:11,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:11,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:11,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:11,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:11,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:11,617 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:11,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:11,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:11,724 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:11,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:11,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:11,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:11,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:59:11,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:11,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:11,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:11,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:11,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:11,960 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:11,965 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:12,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:12,055 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:12,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:12,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:12,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:12,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 06:59:12,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:12,175 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 10 treesize of output 8 [2021-11-25 06:59:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:12,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:12,275 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:12,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:12,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:12,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:12,384 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:12,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:12,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:12,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:12,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:59:12,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:12,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:12,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:12,601 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:12,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:12,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:12,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:12,702 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:12,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:12,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:12,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:12,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:59:12,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:12,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:12,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:12,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:12,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:12,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:12,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:13,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:13,013 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:13,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:13,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:13,043 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:13,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:13,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:13,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:13,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:13,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:13,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:13,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:13,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:13,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:13,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:13,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:13,357 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:13,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:13,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:13,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:13,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:13,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:13,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 06:59:13,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:13,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:13,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:13,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:13,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:13,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:13,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:13,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:13,675 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:13,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:13,697 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:13,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:13,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:13,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 06:59:13,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:13,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:13,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:13,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:13,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:13,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:13,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:13,972 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:13,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:13,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:13,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:14,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:14,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:14,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:14,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:14,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:14,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:14,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:14,189 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:14,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:14,275 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:14,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:14,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:14,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:14,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:59:14,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:14,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:14,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:14,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:14,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:14,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:14,486 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:14,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:14,581 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:14,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:14,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:14,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:14,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:59:14,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:14,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:14,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:14,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:14,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:14,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:14,889 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:14,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:14,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:14,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:14,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:14,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:14,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:15,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:15,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:15,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:15,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:15,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:15,140 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:15,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:15,232 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:15,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:15,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:15,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:15,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:15,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:15,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:15,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 06:59:15,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:15,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:15,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:15,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:15,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:15,565 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:15,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:15,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:15,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:15,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:15,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:15,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:15,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:15,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:15,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:15,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:15,774 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:15,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:15,860 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:15,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:15,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:15,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:15,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:59:15,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:15,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:16,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:16,062 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:16,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:16,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 06:59:16,157 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:16,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:16,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:16,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:16,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:16,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:59:16,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:16,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:16,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:16,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:16,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:16,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:16,456 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:16,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:16,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:16,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:16,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:59:16,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:16,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:16,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:16,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:16,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:16,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:16,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:16,811 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:16,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:16,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:16,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:16,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:16,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:59:16,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:16,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:17,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:17,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:17,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:17,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:17,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:17,106 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:17,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 42 states and 97 transitions. [2021-11-25 06:59:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2021-11-25 06:59:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:17,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:17,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:17,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-25 06:59:17,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:17,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:17,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2021-11-25 06:59:17,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-25 06:59:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:17,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 80 [2021-11-25 06:59:17,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 06:59:17,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 06:59:17,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 06:59:17,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:17,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 06:59:17,896 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 06:59:17,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 06:59:18,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:18,192 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 06:59:18,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 17 [2021-11-25 06:59:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 45 states and 117 transitions. [2021-11-25 06:59:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 117 transitions. [2021-11-25 06:59:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:19,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:19,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:19,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:59:19,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:19,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:19,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 06:59:19,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 06:59:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:19,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 06:59:19,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 59 [2021-11-25 06:59:19,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 06:59:19,891 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 06:59:19,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:19,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 06:59:20,093 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:20,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 45 states and 117 transitions. [2021-11-25 06:59:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 117 transitions. [2021-11-25 06:59:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:20,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:20,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:20,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:59:20,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:20,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:20,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:20,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:20,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:20,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:20,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:20,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:20,407 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:20,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 45 states and 117 transitions. [2021-11-25 06:59:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 117 transitions. [2021-11-25 06:59:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:20,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:20,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:20,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:20,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:20,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:20,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:20,616 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:20,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:20,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:20,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:20,746 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:20,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:20,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:20,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 45 states and 117 transitions. [2021-11-25 06:59:20,776 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 117 transitions. [2021-11-25 06:59:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:20,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:20,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:20,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-25 06:59:20,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:20,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:20,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:20,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 06:59:20,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 06:59:20,874 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:59:20,878 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:59:28,451 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 06:59:28,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 06:59:28,513 INFO L354 Elim1Store]: treesize reduction 19, result has 24.0 percent of original size [2021-11-25 06:59:28,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 21 [2021-11-25 06:59:28,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:28,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2021-11-25 06:59:28,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 06:59:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:28,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 15 [2021-11-25 06:59:29,710 INFO L354 Elim1Store]: treesize reduction 124, result has 40.7 percent of original size [2021-11-25 06:59:29,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 120 treesize of output 140 [2021-11-25 06:59:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:37,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:37,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:37,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:37,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:37,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:37,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:37,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:37,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:37,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:37,915 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:37,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:37,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:37,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:37,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-25 06:59:37,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:38,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:38,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 06:59:38,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 06:59:38,053 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:59:38,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:59:45,618 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 06:59:45,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 06:59:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:45,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-11-25 06:59:45,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-25 06:59:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:46,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 15 [2021-11-25 06:59:46,380 INFO L354 Elim1Store]: treesize reduction 124, result has 40.7 percent of original size [2021-11-25 06:59:46,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 120 treesize of output 140 [2021-11-25 06:59:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:46,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:46,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:46,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:46,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:59:46,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:46,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:47,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:47,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:47,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:47,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:47,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:47,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:47,232 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:47,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:47,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:47,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:47,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:59:47,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:47,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:47,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:47,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:47,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:47,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:47,494 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:47,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:47,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:47,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:47,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:59:47,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:47,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:47,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:47,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:47,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:47,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:47,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:47,775 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:47,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:47,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:47,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:47,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:59:47,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:47,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:48,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 06:59:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:48,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:48,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:48,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:48,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:48,560 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 06:59:48,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 17 [2021-11-25 06:59:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:48,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:48,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:49,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 06:59:49,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:49,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:49,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:49,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:49,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:49,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:49,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:49,260 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:49,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:49,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:49,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:49,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 06:59:49,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:49,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:49,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:49,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:49,479 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:49,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:49,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:49,563 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:49,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 46 states and 122 transitions. [2021-11-25 06:59:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 122 transitions. [2021-11-25 06:59:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:49,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:49,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:49,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-25 06:59:49,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:49,666 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 10 treesize of output 8 [2021-11-25 06:59:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:49,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 06:59:49,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:59:49,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 06:59:56,707 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 06:59:56,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 06:59:56,748 INFO L354 Elim1Store]: treesize reduction 19, result has 24.0 percent of original size [2021-11-25 06:59:56,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 21 [2021-11-25 06:59:56,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:56,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2021-11-25 06:59:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:56,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 33 [2021-11-25 06:59:57,764 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:59:57,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 139 [2021-11-25 06:59:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:58,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 06:59:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 06:59:58,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:58,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:58,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:58,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 06:59:58,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:58,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:59,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:59,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:59,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:59,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:59,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:59,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 06:59:59,113 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:59,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 06:59:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 06:59:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:59,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:59,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:59,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:59:59,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:59,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:59,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:59,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:59,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:59,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:59,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:59,316 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:59,397 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 06:59:59,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 06:59:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 06:59:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 06:59:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:59,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:59,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:59,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:59:59,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:59,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 06:59:59,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:59:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:59,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 06:59:59,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 06:59:59,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:59,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 06:59:59,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:59:59,712 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 06:59:59,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 06:59:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 06:59:59,733 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 06:59:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:59,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:59,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:59,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-25 06:59:59,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:59:59,805 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 10 treesize of output 8 [2021-11-25 06:59:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:59:59,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2021-11-25 06:59:59,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:00,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2021-11-25 07:00:00,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 65 [2021-11-25 07:00:00,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2021-11-25 07:00:00,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:00,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:00:00,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:00,595 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:00,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:00:00,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:00,683 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:00:00,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 17 [2021-11-25 07:00:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:01,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:01,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:01,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:01,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:01,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:01,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:01,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:01,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:01,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:01,466 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:01,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:01,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:01,556 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:01,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:01,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:01,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:01,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 07:00:01,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:01,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:01,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:01,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:01,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:01,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:01,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:01,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:01,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:01,846 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:01,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:01,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:01,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:01,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:01,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:01,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:01,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:02,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:02,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:02,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:02,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:02,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:02,147 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:02,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:02,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:02,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:02,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:00:02,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:02,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:02,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:00:02,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:02,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:02,323 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:02,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:02,406 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:02,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:02,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:02,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:02,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:00:02,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:02,499 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 10 treesize of output 8 [2021-11-25 07:00:02,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:02,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:02,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:02,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:02,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:02,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:02,749 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:02,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:02,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:02,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:02,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:00:02,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:02,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:02,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:02,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:02,988 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:02,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:03,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:03,075 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:03,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:03,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:03,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:03,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:00:03,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:03,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:03,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:03,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:03,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:03,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:03,319 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:03,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:03,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:03,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:03,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:03,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:03,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:03,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:03,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:03,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:03,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:03,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:03,611 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:03,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:03,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:03,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:03,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-25 07:00:03,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:03,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:03,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:00:03,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 07:00:03,728 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:03,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:08,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 87 [2021-11-25 07:00:08,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 65 [2021-11-25 07:00:08,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2021-11-25 07:00:08,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:08,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:00:08,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:08,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:00:08,944 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:08,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:08,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:00:09,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:09,113 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:09,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:13,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:13,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:13,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:00:13,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:13,972 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 10 treesize of output 8 [2021-11-25 07:00:14,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:14,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:14,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:14,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:14,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:14,157 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:14,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:14,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:14,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:14,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:00:14,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:14,266 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 10 treesize of output 8 [2021-11-25 07:00:14,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:14,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:14,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:14,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:14,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:14,453 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:14,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:14,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:14,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:14,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-25 07:00:14,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:14,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:14,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2021-11-25 07:00:14,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:14,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:14,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2021-11-25 07:00:14,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 68 [2021-11-25 07:00:14,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2021-11-25 07:00:14,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:14,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:14,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:00:14,712 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:14,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:00:14,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:14,831 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:00:14,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 17 [2021-11-25 07:00:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:14,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:14,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:14,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:00:14,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:14,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:15,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:15,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:15,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:15,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:15,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:15,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:15,155 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:15,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:15,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:15,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:15,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:15,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-25 07:00:15,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:15,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:15,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:00:15,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 07:00:15,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:15,286 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:19,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:19,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 87 [2021-11-25 07:00:19,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 68 [2021-11-25 07:00:19,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2021-11-25 07:00:19,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:19,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:00:19,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:19,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:00:19,217 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:19,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:19,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:00:19,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:19,355 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:19,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:19,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:19,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:19,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 07:00:19,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:19,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:19,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:00:19,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:19,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 07:00:26,460 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 07:00:26,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 07:00:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:26,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-11-25 07:00:26,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:00:26,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2021-11-25 07:00:27,043 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:00:27,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 139 [2021-11-25 07:00:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:27,423 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:27,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:27,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:27,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:00:27,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:27,474 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 10 treesize of output 8 [2021-11-25 07:00:27,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:27,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:27,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:27,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:27,628 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:27,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:27,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:27,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:27,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:27,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:27,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:27,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:27,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:27,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:27,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:27,877 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:27,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:27,980 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:27,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:28,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:28,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:28,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:00:28,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:28,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:28,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:28,204 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:28,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:28,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:00:28,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:28,307 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:28,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:28,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:28,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:28,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:28,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:00:28,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:28,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:28,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:28,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:28,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:28,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:28,599 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:28,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:28,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:28,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:28,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:00:28,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:28,684 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 10 treesize of output 8 [2021-11-25 07:00:28,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:28,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:28,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:28,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:28,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:28,876 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:28,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:28,897 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:28,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:28,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:28,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:00:28,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:28,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:29,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:29,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:00:29,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:00:29,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:00:29,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:29,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:29,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:29,059 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:29,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 07:00:29,199 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:29,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:29,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:29,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:29,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-25 07:00:29,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:29,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:29,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:29,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:00:29,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 07:00:29,346 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:29,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:36,247 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 07:00:36,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 07:00:36,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 07:00:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:36,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:36,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2021-11-25 07:00:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:36,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 33 [2021-11-25 07:00:36,798 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:00:36,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 139 [2021-11-25 07:00:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:36,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:36,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:36,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:37,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 07:00:37,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:37,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:37,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:00:37,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:00:37,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:00:37,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:37,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:37,154 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:37,159 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:37,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:00:37,305 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:37,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:37,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:37,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:37,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:00:37,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:37,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:37,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:37,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:37,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:37,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:37,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:37,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:37,500 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:37,617 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:37,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:37,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:37,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:37,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:00:37,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:37,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:37,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:37,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:37,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:37,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:37,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:37,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:37,915 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:37,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:37,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:37,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:37,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:00:37,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:38,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:38,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:38,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:38,095 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:38,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:38,179 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:38,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:38,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:38,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:38,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:00:38,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:38,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:38,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:38,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:38,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:38,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:38,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:38,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:38,493 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:38,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:38,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:38,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:38,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:00:38,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:38,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:38,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:38,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:38,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:38,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:38,768 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:38,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:38,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:38,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:38,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:00:38,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:38,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:38,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:38,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:38,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:38,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:38,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:38,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:39,028 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:39,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:39,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:39,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:39,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:00:39,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:39,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:39,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:00:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:39,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:39,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:39,225 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:39,229 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:39,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:39,307 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:39,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:39,324 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:39,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:39,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:39,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-25 07:00:39,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:39,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:39,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:00:39,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:00:39,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:00:39,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:39,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:39,483 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:39,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:00:39,627 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:39,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:39,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:39,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:39,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:00:39,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:39,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:39,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:39,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:39,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:39,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:39,932 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:39,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:39,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:39,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:39,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:40,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:40,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:40,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:40,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:40,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:00:40,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:00:40,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:00:40,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:40,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:40,187 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:40,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 07:00:40,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:40,347 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:40,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:40,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:40,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:40,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:00:40,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:40,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:40,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:00:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:40,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:40,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:40,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:40,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:40,637 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:40,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 127 transitions. [2021-11-25 07:00:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2021-11-25 07:00:40,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:40,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:40,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:40,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 07:00:40,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:40,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:40,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:00:40,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:40,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 07:00:48,114 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 07:00:48,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 07:00:48,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:48,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-25 07:00:48,157 INFO L354 Elim1Store]: treesize reduction 6, result has 50.0 percent of original size [2021-11-25 07:00:48,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2021-11-25 07:00:48,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2021-11-25 07:00:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:48,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:48,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 15 [2021-11-25 07:00:48,964 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:00:48,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 103 [2021-11-25 07:00:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:00:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:00:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:50,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:50,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:50,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:00:50,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:50,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:50,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:50,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:50,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:00:50,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:50,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:50,558 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:50,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:00:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:00:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:50,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:50,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:50,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:50,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:50,654 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 10 treesize of output 8 [2021-11-25 07:00:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:50,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:50,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:50,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:50,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:50,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:50,886 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:50,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:00:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:00:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:50,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:50,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:50,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:50,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:50,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:51,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:51,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:51,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:51,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:51,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:51,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:51,203 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:51,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:00:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:00:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:51,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:51,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:51,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:00:51,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:51,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:51,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:51,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:51,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:51,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:51,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:51,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:51,485 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:51,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:00:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:00:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:51,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:51,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:51,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:00:51,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:51,576 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 10 treesize of output 8 [2021-11-25 07:00:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:51,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:00:51,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:00:51,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:00:51,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:51,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:00:51,808 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:00:51,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:00:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:00:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:00:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:51,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:51,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:51,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 07:00:51,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:51,900 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 10 treesize of output 8 [2021-11-25 07:00:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:51,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:00:51,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:00:51,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:00:51,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:52,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:00:52,004 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:00:52,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:00:52,183 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:00:52,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:00:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:00:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:00:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:00:52,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:52,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:52,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 07:00:52,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:00:52,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:00:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:52,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:00:52,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 07:00:52,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:52,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:00:59,508 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 07:00:59,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 07:00:59,522 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:00:59,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2021-11-25 07:00:59,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:00:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:59,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:00:59,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 33 [2021-11-25 07:01:00,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:01:00,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 103 [2021-11-25 07:01:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:00,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:00,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:00,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:00,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:00,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:00,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:00,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:00,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:00,466 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:00,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:00,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:00,576 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:00,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:00,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:00,603 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:00,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:00,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:00,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:00,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:00,666 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 10 treesize of output 8 [2021-11-25 07:01:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:00,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:01:00,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:01:00,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:01:00,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:00,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:00,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:00,814 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:00,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 07:01:00,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:00,950 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:00,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:00,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:00,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:01,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:01,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:01,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:01,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:01,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:01,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:01,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:01,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:01,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:01,239 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:01,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:01,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:01,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:01,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:01:01,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:01,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:01,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:01,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:01,382 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:01,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:01,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:01,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:01,472 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:01,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:01,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:01,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:01,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:01,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:01,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:01,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:01,923 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:01,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:01,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:01,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:01,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:02,034 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:02,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:02,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:02,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:02,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:02,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:02,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:02,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:01:02,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:01:02,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:01:02,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:02,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:02,528 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:02,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 07:01:02,692 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:02,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:02,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:02,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:02,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:02,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:02,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:02,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:02,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:02,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:02,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:02,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:02,932 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:02,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:02,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:02,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:02,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:02,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:03,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:03,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:03,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:03,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:03,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:03,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:03,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:03,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:03,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:03,280 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:03,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:03,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:03,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:03,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-25 07:01:03,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:03,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:03,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:03,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:01:03,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:01:03,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:01:03,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:03,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:03,491 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:03,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:03,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:01:03,740 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:03,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:03,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:03,772 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:03,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:03,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:03,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:03,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:03,834 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 10 treesize of output 8 [2021-11-25 07:01:03,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:03,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:03,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:03,914 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:03,917 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:03,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:03,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:04,001 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:04,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:04,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:04,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:04,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 07:01:04,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:04,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:04,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:04,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:04,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:04,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:04,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:04,263 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:04,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:04,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:04,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:04,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:04,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:04,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:04,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:04,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:04,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:04,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:04,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:04,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:04,560 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:04,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:04,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:04,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:04,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 07:01:04,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:04,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:04,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:04,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:04,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:04,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:04,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:04,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:04,868 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:04,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:04,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:04,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:04,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:04,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:04,954 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 10 treesize of output 8 [2021-11-25 07:01:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:05,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2021-11-25 07:01:05,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2021-11-25 07:01:05,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:01:05,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:05,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:01:05,070 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:05,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-25 07:01:05,252 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:05,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:05,288 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:05,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:05,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:05,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:05,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:05,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:05,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:05,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:05,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:05,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:05,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:05,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:05,588 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:05,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:05,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:05,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:05,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:05,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:05,691 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 10 treesize of output 8 [2021-11-25 07:01:05,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:05,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:05,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:05,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:05,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:05,938 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:05,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:05,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:05,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:06,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:06,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:06,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:06,187 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:06,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:06,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:06,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:06,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:06,306 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:06,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:06,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:06,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:06,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:06,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:06,398 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 10 treesize of output 8 [2021-11-25 07:01:06,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:06,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:06,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:06,481 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:06,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:06,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:06,577 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:06,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:06,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:06,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:06,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:06,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:01:06,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:06,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:06,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:06,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:06,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:06,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:06,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:06,972 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:06,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:06,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:06,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:06,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:07,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:01:07,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:07,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:07,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:07,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:07,252 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:07,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:07,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:07,349 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:07,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:07,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:07,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:07,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-25 07:01:07,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:07,469 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 10 treesize of output 8 [2021-11-25 07:01:07,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:07,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:01:07,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 07:01:07,502 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:01:07,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:01:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:11,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 87 [2021-11-25 07:01:11,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 65 [2021-11-25 07:01:11,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2021-11-25 07:01:11,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:11,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:01:11,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:11,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 07:01:11,610 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:11,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-25 07:01:11,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:11,772 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:11,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 48 states and 142 transitions. [2021-11-25 07:01:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2021-11-25 07:01:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:11,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:11,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:11,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:11,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:11,855 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 10 treesize of output 8 [2021-11-25 07:01:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:12,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:12,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:12,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:12,148 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:12,149 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:12,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:12,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:12,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 49 states and 159 transitions. [2021-11-25 07:01:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 159 transitions. [2021-11-25 07:01:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:14,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:14,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:14,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:14,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:14,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:14,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:14,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:14,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:14,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:14,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:14,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 49 states and 159 transitions. [2021-11-25 07:01:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 159 transitions. [2021-11-25 07:01:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:14,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:14,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:14,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:14,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:14,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:15,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:15,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:15,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:15,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:15,230 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:15,233 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:15,233 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:15,579 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:15,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:17,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:17,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:17,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:17,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:17,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:17,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:17,764 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:17,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:17,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:17,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:17,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:17,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:17,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:17,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:17,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:17,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:18,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:18,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:18,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:18,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:18,088 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:18,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:18,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:18,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:18,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:18,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:18,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:18,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:18,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:18,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:18,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:18,338 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:18,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:18,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:18,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:18,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:18,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:18,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:18,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:18,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:18,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:18,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:18,623 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:18,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:18,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:18,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:18,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:18,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:18,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:18,874 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:18,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:18,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:18,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:18,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:18,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:18,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:18,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:18,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:19,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:19,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:19,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:19,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:19,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:19,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:19,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:19,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:19,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:19,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:19,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:19,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:19,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:19,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:19,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:19,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:19,415 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:19,418 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:19,419 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:19,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:19,523 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:19,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:19,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:19,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:19,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:19,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:19,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:19,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:19,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:19,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:19,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:19,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:19,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:19,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:19,744 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:19,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:19,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:19,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:19,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:19,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:19,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:19,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:20,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:20,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:20,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:20,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:20,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:20,057 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:20,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:20,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:20,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:20,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:20,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:20,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:20,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:20,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:20,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:20,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:20,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:20,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:20,420 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:20,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:20,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:20,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:20,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:20,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:20,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:20,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:20,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:20,624 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:20,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:20,736 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:20,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:20,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:20,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:20,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:20,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:20,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:20,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:20,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:20,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:20,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:20,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:21,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:21,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:21,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:21,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 50 states and 178 transitions. [2021-11-25 07:01:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 178 transitions. [2021-11-25 07:01:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:21,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:21,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:21,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:21,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:21,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:21,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:21,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:21,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:21,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:21,398 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:21,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 52 states and 192 transitions. [2021-11-25 07:01:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 192 transitions. [2021-11-25 07:01:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:23,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:23,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:23,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:23,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:23,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:23,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:23,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:23,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:23,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:23,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:23,428 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:23,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:23,517 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:23,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:23,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:23,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 52 states and 192 transitions. [2021-11-25 07:01:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 192 transitions. [2021-11-25 07:01:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:23,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:23,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:23,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:23,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:23,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:23,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:23,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:23,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:23,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:23,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:23,806 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:23,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 52 states and 192 transitions. [2021-11-25 07:01:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 192 transitions. [2021-11-25 07:01:23,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:23,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:23,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:23,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:23,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:23,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:24,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:24,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:24,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:24,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:24,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:24,025 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:24,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:24,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:24,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 52 states and 192 transitions. [2021-11-25 07:01:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 192 transitions. [2021-11-25 07:01:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:24,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:24,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:24,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:24,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:24,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:24,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:24,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:24,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:24,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:24,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:24,314 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:24,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:24,402 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:24,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:24,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 52 states and 192 transitions. [2021-11-25 07:01:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 192 transitions. [2021-11-25 07:01:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:24,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:24,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:24,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:24,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:24,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:24,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:24,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:24,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:24,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:24,704 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:24,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 52 states and 192 transitions. [2021-11-25 07:01:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 192 transitions. [2021-11-25 07:01:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:24,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:24,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:24,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:24,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:24,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:24,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:24,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:24,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:24,952 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:24,952 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:24,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:25,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:25,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:27,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:27,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:27,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:27,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:27,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:27,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:27,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:27,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:27,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:27,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:27,780 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:27,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:27,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:27,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:27,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:27,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:27,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:27,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:27,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:28,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:28,179 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:28,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:28,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:28,255 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:28,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:28,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:28,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:28,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:28,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:28,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:28,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:28,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:28,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:28,532 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:28,533 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:28,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:28,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:28,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:28,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:28,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:28,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:01:28,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:28,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:28,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:28,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:28,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:28,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:28,835 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:28,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:28,935 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:28,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:28,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:28,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:29,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:29,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:29,049 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 10 treesize of output 8 [2021-11-25 07:01:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:29,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:29,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:29,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:29,152 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:29,153 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:29,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:29,236 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:29,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:29,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:29,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:29,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:29,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:29,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:29,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:29,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:29,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:29,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:29,432 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:29,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:29,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:29,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:29,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:29,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:29,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:29,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:01:29,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:29,577 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 10 treesize of output 8 [2021-11-25 07:01:29,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:29,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:29,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:29,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:29,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:29,729 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:29,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:29,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:29,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:29,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:01:29,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:29,806 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 10 treesize of output 8 [2021-11-25 07:01:29,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:29,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:29,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:29,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:29,937 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:30,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:30,041 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:30,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:30,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:30,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:30,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:30,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:30,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:30,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:30,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:30,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:30,272 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:30,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:30,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:30,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:30,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:30,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:30,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:30,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:30,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:30,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:30,459 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:30,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:30,560 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:30,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:30,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:30,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:30,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:30,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:30,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:30,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:30,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:30,833 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:30,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:30,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:30,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:30,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:31,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:31,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:31,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:31,208 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:31,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:31,211 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:31,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:31,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:31,657 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:01:31,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:01:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:32,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:32,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:32,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:32,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:32,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:32,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:32,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:32,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:32,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:32,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:32,348 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:32,350 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:32,351 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:32,427 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:32,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:32,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:32,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:32,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:32,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:32,509 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 10 treesize of output 8 [2021-11-25 07:01:32,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:32,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:32,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:32,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:32,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:32,658 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:32,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:32,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:32,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:32,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:32,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:32,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:32,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:32,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:32,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:32,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:32,911 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:32,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:32,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:32,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:32,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:32,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:32,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:33,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:33,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:33,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:33,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:33,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:33,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:33,064 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:33,141 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:33,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:33,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:33,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:33,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:33,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:33,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:33,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:33,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:33,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:33,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:33,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:33,409 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:33,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:33,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:33,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:33,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:33,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:33,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:33,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:33,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:33,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:33,576 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:33,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:33,581 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:33,655 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:33,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:33,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:33,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:33,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:33,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:33,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:33,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:33,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:33,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:33,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:33,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:33,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:33,933 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:33,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:33,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:33,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:33,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:33,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:34,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:34,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:34,078 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:34,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:34,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:34,162 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:34,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:34,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:34,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:34,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:34,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:34,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:34,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:34,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:34,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:34,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:34,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:34,429 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:34,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:34,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:34,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:34,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:34,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:34,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:34,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:34,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:34,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:34,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:34,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:34,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:34,702 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:34,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:34,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:34,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:34,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:34,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:34,794 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 10 treesize of output 8 [2021-11-25 07:01:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:34,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:34,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:34,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:34,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:35,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:35,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:35,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:35,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:35,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:35,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:35,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:35,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:35,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:35,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:35,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:35,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:35,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:35,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:35,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:35,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:35,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:35,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:35,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:35,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:35,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:35,550 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:35,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:35,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:35,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:35,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:35,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:35,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:35,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:35,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:35,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:35,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:35,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:35,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:35,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:35,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:35,870 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:35,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:35,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:35,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:35,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:35,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:35,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:36,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:36,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:36,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:36,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:36,133 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:36,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:36,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:36,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:36,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:36,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:36,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:36,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:36,303 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:36,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:36,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:36,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:36,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:36,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:36,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:36,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:36,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:36,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:36,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:36,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:36,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:36,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:36,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:36,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:36,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:36,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:36,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:36,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:36,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:36,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:36,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:36,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:36,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:36,899 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:36,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:36,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:36,927 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:36,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:36,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:36,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:36,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:36,992 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 10 treesize of output 8 [2021-11-25 07:01:37,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:37,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:37,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:37,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:37,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:37,138 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:37,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:37,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:37,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:37,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:37,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:01:37,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:37,332 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 10 treesize of output 8 [2021-11-25 07:01:37,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:37,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:37,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:37,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:37,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:37,476 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:37,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:37,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:37,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:37,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:37,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:37,549 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 10 treesize of output 8 [2021-11-25 07:01:37,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:37,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:37,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:37,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:37,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:37,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:37,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:37,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:37,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:37,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:37,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:38,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:38,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:38,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:38,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:38,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:38,736 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:01:38,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:01:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:39,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:39,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:39,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:39,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:39,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:39,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:39,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:39,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:39,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:39,616 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:39,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:39,692 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:39,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:39,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:39,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:39,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:39,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:39,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:39,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:39,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:39,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:39,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:39,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:39,842 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:39,843 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:39,915 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:39,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:39,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:39,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:39,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:39,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:40,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:40,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:40,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:40,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:40,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:40,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:40,154 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:40,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:40,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:40,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:40,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:40,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:40,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:40,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:40,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:40,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:40,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:40,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:40,336 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:40,343 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:40,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:40,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:40,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:40,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:40,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:40,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:40,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:40,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:40,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:40,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:40,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:40,682 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:40,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:40,705 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:40,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:40,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:40,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:40,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:40,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:40,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:40,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:40,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:40,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:40,879 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:40,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:40,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:40,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:40,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:41,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:41,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:41,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:41,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:41,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:41,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:41,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:41,169 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:41,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:41,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:41,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:41,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:41,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:41,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:41,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:41,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:41,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:41,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:41,350 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:41,351 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:41,449 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:41,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:41,479 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:41,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:41,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:41,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:41,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:41,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:41,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:41,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:41,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:41,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:41,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:41,748 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:41,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:41,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:41,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:41,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:41,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:41,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:41,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:41,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:41,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:41,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:41,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:41,922 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:41,998 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:41,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:42,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:42,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:42,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:42,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:42,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:42,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:42,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:42,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:42,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:42,161 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:42,162 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:42,236 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:42,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:42,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:42,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:42,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:42,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:42,312 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 10 treesize of output 8 [2021-11-25 07:01:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:42,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:42,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:42,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:42,386 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:42,387 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:42,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:42,465 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:42,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:42,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:42,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:42,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:42,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:42,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:42,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:42,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:42,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:42,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:42,649 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:42,650 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:42,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:42,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:42,738 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:42,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:42,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:42,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:42,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:42,794 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 10 treesize of output 8 [2021-11-25 07:01:42,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:42,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:42,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:42,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:42,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:42,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:42,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:42,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:42,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:43,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:43,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:43,049 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 10 treesize of output 8 [2021-11-25 07:01:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:43,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:43,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:43,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:43,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:43,171 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:43,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:43,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:43,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:43,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:43,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:43,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:43,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:43,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:43,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:43,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:43,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:43,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:43,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:43,461 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:43,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:43,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:43,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:43,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:43,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:43,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:43,658 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:43,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:43,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:43,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:43,678 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:43,679 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:43,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:43,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:43,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:43,788 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:43,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:43,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:43,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:43,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:43,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:43,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:43,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:43,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:43,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:43,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:43,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:44,046 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:44,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:44,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:44,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:44,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:44,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:44,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:44,141 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 10 treesize of output 8 [2021-11-25 07:01:44,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:44,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:44,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:44,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:44,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:44,247 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:44,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:44,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:44,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:44,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:44,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:44,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:44,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:44,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:44,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:44,471 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:44,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:44,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:44,580 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:44,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:44,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:44,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:44,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:44,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:44,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:44,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:44,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:44,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:44,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:44,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:44,776 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:44,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:44,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:44,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:44,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:44,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:44,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:44,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:44,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:45,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:45,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:45,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:45,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:45,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:45,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:45,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:45,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:45,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:45,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:45,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:45,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:45,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:45,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:45,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:45,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:45,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:45,310 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:45,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:45,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:45,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:45,406 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:45,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:45,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:45,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:45,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:45,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:45,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:45,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:45,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:45,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:45,614 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:45,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:45,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:45,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:45,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:45,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:45,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:45,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:45,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:45,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:45,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:45,797 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:45,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:45,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:45,889 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:01:45,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:01:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:45,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:45,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:45,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:45,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:46,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:46,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:46,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:46,079 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:46,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:46,099 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:46,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:46,213 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:46,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:46,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:46,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:46,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:46,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:46,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:46,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:46,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:46,415 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:46,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:46,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:46,540 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:46,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:46,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:46,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:46,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:46,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:46,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:46,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:46,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:46,773 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:46,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:46,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:46,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:46,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:46,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:46,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:46,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:46,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:47,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:47,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:47,077 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:47,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:47,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:47,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:47,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:47,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:47,177 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:47,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:47,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:47,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:47,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:47,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:47,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:47,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:47,308 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:47,311 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:47,311 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:47,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:47,405 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:47,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:47,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:47,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:47,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:47,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:47,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:47,572 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:47,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:47,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:47,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:47,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:47,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:47,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:47,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:47,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:47,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:47,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:47,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:47,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:47,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:47,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:47,876 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:47,879 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:47,880 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:47,981 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:47,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:48,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:48,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:48,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:48,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:48,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:48,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:48,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:48,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:48,205 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:48,209 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:48,210 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:48,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:48,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:48,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:48,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:48,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:48,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:48,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:48,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:48,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:48,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:48,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:48,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:48,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:48,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:48,464 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:48,548 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:48,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:48,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:48,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:48,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:48,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:48,635 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 10 treesize of output 8 [2021-11-25 07:01:48,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:48,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:48,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:48,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:48,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:48,814 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:48,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:48,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:48,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:48,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:48,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:48,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:48,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:48,900 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 10 treesize of output 8 [2021-11-25 07:01:48,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:48,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:48,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:48,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:48,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:48,983 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:49,067 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:49,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:49,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:49,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:49,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:49,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:49,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:49,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:49,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:49,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:49,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:49,277 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:49,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:49,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:49,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:49,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:49,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:49,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:49,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:49,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:49,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:49,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:49,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:49,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:49,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:49,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:49,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:49,662 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:49,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:49,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:49,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:49,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:49,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:49,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:49,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:49,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:49,860 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:49,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:49,865 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:49,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:49,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:49,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:50,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:50,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:50,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:50,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:50,067 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 10 treesize of output 8 [2021-11-25 07:01:50,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:50,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:50,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:50,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:50,163 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:50,166 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:50,167 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:50,271 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:50,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:50,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:50,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:50,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:50,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:50,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:50,369 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 10 treesize of output 8 [2021-11-25 07:01:50,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:50,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:50,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:50,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:50,488 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:50,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:50,492 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:50,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:50,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:50,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:50,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:50,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:50,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:50,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:50,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:50,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:50,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:50,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:50,748 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:50,749 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:50,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:50,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:50,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:50,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:50,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:50,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:50,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:50,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:50,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:50,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:50,973 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:50,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:50,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:51,070 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:51,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:51,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:51,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:51,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:51,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:51,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:51,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:51,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:51,248 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:51,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:51,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:51,345 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:51,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:51,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:51,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:51,392 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:51,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:51,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:51,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:51,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:51,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:51,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:51,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:51,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:51,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:51,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:51,519 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:51,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:51,603 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:51,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:51,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:51,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:51,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:51,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:51,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:51,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:51,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:51,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:51,773 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:51,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:51,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:51,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:51,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:51,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:51,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:51,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:51,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:51,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:52,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:52,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:52,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:52,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:52,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:52,040 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:52,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:52,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:52,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:52,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:52,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:52,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:52,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:52,213 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 10 treesize of output 8 [2021-11-25 07:01:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:52,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:52,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:52,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:52,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:52,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:52,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:52,440 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:52,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:52,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:52,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:52,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:52,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:52,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:52,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:52,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:52,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:52,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:52,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:52,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:52,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:52,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:52,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:52,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:52,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:52,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:52,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:52,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:52,871 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:52,871 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:52,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:52,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:52,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:52,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:52,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:53,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:53,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:53,067 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 10 treesize of output 8 [2021-11-25 07:01:53,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:53,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:53,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:53,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:53,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:53,161 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:53,161 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:53,248 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:53,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:53,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:53,272 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:53,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:53,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:53,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:01:53,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:53,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:53,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:53,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:53,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:53,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:01:53,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:53,541 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:01:53,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:01:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:53,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:53,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:53,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:53,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:53,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:53,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:53,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:53,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:53,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:53,787 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:53,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:53,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:53,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:53,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:53,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:53,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:53,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:53,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:53,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:53,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:53,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:53,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:54,035 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:54,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:54,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:54,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:54,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:54,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:54,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:54,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:54,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:54,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:54,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:54,202 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:54,203 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:54,285 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:54,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:54,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:54,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:54,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:01:54,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:54,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:54,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:54,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:54,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:54,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:54,439 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:54,440 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:54,533 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:54,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:54,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:54,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:54,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:54,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:54,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:54,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:54,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:54,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:54,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:54,741 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:54,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:54,745 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:54,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:54,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:54,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:54,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:54,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:54,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:54,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:54,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:54,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:55,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:55,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:55,044 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:55,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:55,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:55,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:55,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:55,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:55,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:55,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:55,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:55,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:55,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:55,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:01:55,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:01:55,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:55,286 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:55,367 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:55,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:01:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:55,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:55,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:55,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:55,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:55,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:55,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:55,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:55,551 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:55,554 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:55,555 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:55,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:55,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:55,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:55,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:55,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:55,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:55,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:55,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:55,704 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 10 treesize of output 8 [2021-11-25 07:01:55,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:55,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:55,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:55,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:55,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:55,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:55,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:55,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:55,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:55,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:55,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:55,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:56,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:56,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:56,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:56,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:56,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:56,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:56,039 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:56,120 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:56,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:56,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:56,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:56,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:56,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:56,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:56,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:56,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:56,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:56,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:56,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:56,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:56,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:56,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:56,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:56,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:56,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:56,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:56,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:56,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:56,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:56,777 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:56,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:56,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:56,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:56,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:56,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:56,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:56,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:56,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:56,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:56,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:56,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:57,022 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:57,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:57,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:57,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:57,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:01:57,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:57,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:57,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:57,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:57,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:57,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:57,264 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:57,265 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:57,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:57,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:57,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:57,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:57,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:57,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:57,420 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 10 treesize of output 8 [2021-11-25 07:01:57,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:57,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:57,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:57,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:57,493 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:01:57,496 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:57,496 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:57,578 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:57,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:57,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:57,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:57,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:57,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:57,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:57,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:57,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:57,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:57,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:57,806 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:57,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:57,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:57,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:57,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:57,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:57,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:57,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:57,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:57,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:57,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:58,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:58,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:58,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:58,077 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:58,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:58,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:58,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:58,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:58,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:58,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:58,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:58,198 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:58,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:58,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:58,306 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:58,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:58,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:58,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:58,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:58,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:58,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:58,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:58,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:58,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:58,488 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:58,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:58,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:58,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:58,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:58,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:58,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:58,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:58,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:58,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:58,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:58,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:58,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:58,770 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:58,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:01:58,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:58,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:58,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:58,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:58,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:58,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:58,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:59,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:59,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:59,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:59,073 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:59,073 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:59,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:59,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:59,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:59,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:59,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:59,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:59,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:59,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:59,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:59,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:59,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:59,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:59,338 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:59,338 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:59,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:59,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:59,427 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:59,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:59,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:59,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:01:59,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:59,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:59,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:01:59,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:59,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:59,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:59,558 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:59,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:59,561 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:59,644 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:01:59,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:01:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:59,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:59,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:59,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:59,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:59,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:01:59,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:59,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:01:59,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:01:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:01:59,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:01:59,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:01:59,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:01:59,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:01:59,829 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:01:59,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:01:59,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:01:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:01:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:01:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:01:59,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:59,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:59,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:01:59,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:59,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:00,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:00,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:00,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:00,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:00,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:00,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:02:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:00,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:00,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:00,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:02:00,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:00,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:00,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:00,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:00,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:00,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:00,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:00,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:02:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:00,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:00,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:00,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:02:00,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:00,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:00,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:00,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:00,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:00,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:00,691 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:02:00,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:02:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:00,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:00,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:00,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:00,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:02:00,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:00,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:00,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:00,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:00,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:00,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:00,967 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:02:00,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:02:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:00,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:00,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:01,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:02:01,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:01,067 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 10 treesize of output 8 [2021-11-25 07:02:01,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:01,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:01,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:01,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:01,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:01,253 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:02:01,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:02:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:01,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:01,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:01,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:01,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:02:01,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:01,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:01,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:01,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:01,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:01,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:01,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:01,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:01,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:02:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:01,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:01,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:01,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:02:01,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:01,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:01,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:01,641 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:01,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:01,660 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:01,732 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:02:01,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:02:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:01,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:01,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:01,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:01,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:02:01,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:01,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:01,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:02:01,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:02:01,915 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:01,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:01,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:01,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:02,011 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:02:02,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:02:02,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:02,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:02,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:02:02,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:02,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:02,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:02,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:02,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:02,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:02,264 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:02:02,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:02:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:02,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:02,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:02,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:02:02,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:02,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:02,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:02,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:02,450 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:02,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:02,545 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:02:02,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:02:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:02,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:02,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:02,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:02:02,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:02,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:02,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:02,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:02,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:02:02,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:02,734 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:02:02,735 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:02:02,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:02,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:02:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:02,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:02,873 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:02,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:02,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:02,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:02:02,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:02,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:03,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:02:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:03,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:02:03,055 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:03,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:02:03,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:03,150 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:02:03,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:02:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:03,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:03,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:03,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:02:03,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:03,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:03,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:03,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:02:03,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:02:03,357 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:02:03,358 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:02:03,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:03,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:03,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:02:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:03,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:03,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:03,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:02:03,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:03,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:03,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:03,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:03,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:03,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:02:03,798 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:02:03,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:02:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:03,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:03,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:03,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:02:03,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:03,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:04,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:04,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:02:04,033 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:02:04,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:02:04,038 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:02:04,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:02:04,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:02:04,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:02:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:02:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:02:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 54 states and 203 transitions. [2021-11-25 07:02:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 203 transitions. [2021-11-25 07:02:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:02:04,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:02:04,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:02:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:02:04,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:02:04,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:02:04,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:02:04,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:02:04,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:02:04,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:02:04,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:02:04,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-25 07:08:26,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:26,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:26,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:26,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:26,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:26,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:26,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:26,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:26,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:26,573 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:26,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:26,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:26,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:26,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:26,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:26,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:26,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:26,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:26,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:26,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:26,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:26,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:26,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:26,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:27,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:08:27,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:27,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:27,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 65 [2021-11-25 07:08:27,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2021-11-25 07:08:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:27,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-25 07:08:27,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:27,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-11-25 07:08:27,445 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:27,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:08:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:27,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:27,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:27,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:27,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:27,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:27,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:27,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:27,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:27,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:27,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:27,684 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:27,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:27,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:27,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:27,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:27,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:28,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:28,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:28,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:28,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:28,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:28,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:28,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:28,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:28,408 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:28,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:28,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:28,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:28,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:28,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:08:28,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:28,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:28,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:28,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:28,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:28,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:28,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:28,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:28,655 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:28,970 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:28,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:29,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:29,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:29,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:29,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:29,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:29,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:29,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:29,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:29,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:29,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:29,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:29,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:29,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:29,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:29,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:29,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:29,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:29,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:29,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:29,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:29,667 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:29,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:29,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:29,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:29,891 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:29,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:29,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:29,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:08:29,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:30,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:30,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:30,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:30,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:30,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:30,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:30,411 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:30,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:30,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:30,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:30,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:30,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:30,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:30,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:30,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:30,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:30,664 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:30,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:30,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:30,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:30,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:30,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:30,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:30,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:30,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:31,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:31,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:31,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:31,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:31,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:31,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:31,121 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:31,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:31,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:31,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:31,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:31,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:31,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:31,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:31,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:31,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:31,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:31,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:31,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:31,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:31,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:31,589 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:31,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:31,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:31,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:31,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:31,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:31,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:31,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:32,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:32,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:32,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:32,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:32,049 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:32,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:32,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:32,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:32,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:32,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:32,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:32,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:32,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:32,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:32,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:32,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:32,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:32,520 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:32,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:32,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:32,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:32,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:32,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:32,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:32,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:32,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:32,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:32,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:32,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:32,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:32,998 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:33,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:33,001 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:33,301 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:33,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:33,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:33,328 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:33,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:33,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:33,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:33,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:33,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:33,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:33,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:33,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:33,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:33,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:33,834 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:33,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:33,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:33,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:33,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:33,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:33,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:33,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:34,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:34,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:34,087 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:34,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:34,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:34,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:34,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:34,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:34,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:34,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:34,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:34,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:34,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:34,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:34,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:34,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:34,724 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:08:34,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:08:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:34,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:34,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:34,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:34,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:34,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:34,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:34,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:34,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:34,985 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:34,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:35,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:35,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:35,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:35,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:35,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:35,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:35,332 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 10 treesize of output 8 [2021-11-25 07:08:35,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:35,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:35,415 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:35,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:35,735 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:35,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:35,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:35,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:35,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:35,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:35,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:36,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:36,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:36,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:36,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:36,031 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:36,032 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:36,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:36,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:36,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:36,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:36,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:36,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:36,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:36,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:36,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:36,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:36,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:36,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:36,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:36,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:36,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:36,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:36,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:36,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:36,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:36,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:36,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:36,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:36,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:36,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:36,959 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:37,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:37,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:37,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:37,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:37,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:37,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:37,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:37,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:37,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:37,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:37,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:37,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:37,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:37,415 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:37,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:37,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:37,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:37,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:37,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:37,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:37,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:37,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:37,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:37,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:37,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:37,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:37,860 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:37,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:37,864 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:38,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:38,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:38,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:38,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:38,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:38,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:38,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:38,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:38,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:38,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:38,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:38,561 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:38,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:38,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:38,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:38,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:38,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:38,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:38,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:38,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:38,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:38,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:38,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:39,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:39,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:39,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:39,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:39,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:39,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:39,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:39,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:39,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:39,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:39,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:39,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:39,582 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:39,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:39,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:39,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:39,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:39,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:39,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:39,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:39,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:39,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:39,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:39,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:39,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:40,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:40,041 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:08:40,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:08:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:40,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:40,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:40,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:40,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:40,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:40,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:40,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:40,299 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:40,303 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:40,303 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:40,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:40,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:40,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:40,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:40,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:40,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:40,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:40,654 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 10 treesize of output 8 [2021-11-25 07:08:40,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:40,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:40,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:40,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:40,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:40,769 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:40,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:40,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:40,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:41,013 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:41,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:41,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:41,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:41,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:41,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:41,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:41,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:41,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:41,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:41,226 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:41,229 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:41,229 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:41,530 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:41,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:41,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:41,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:41,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:41,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:41,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:41,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:41,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:41,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:41,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:41,776 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:41,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:41,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:41,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:42,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:42,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:42,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:42,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:42,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:42,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:42,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:42,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:42,233 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:42,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:42,236 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:42,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:42,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:42,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:42,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:42,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:42,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:08:42,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:42,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:42,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:42,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:42,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:42,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:42,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:42,715 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:42,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:42,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:42,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:42,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:42,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:43,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:08:43,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:43,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:43,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:43,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:43,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:43,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:43,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:43,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:43,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:43,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:43,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:43,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:43,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:43,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:43,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:43,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:43,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:43,651 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:43,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:43,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:43,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:43,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:43,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:44,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:08:44,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:44,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:44,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:44,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:44,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:44,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:44,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:44,106 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:44,432 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:44,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:44,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:44,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:44,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:44,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:44,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:44,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:44,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:44,670 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:44,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:44,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:44,992 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:44,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:45,020 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:45,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:45,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:45,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:45,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:45,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:45,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:45,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:45,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:45,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:45,259 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:45,260 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:45,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:45,581 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:45,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:45,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:45,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:45,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:45,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:45,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:45,740 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 10 treesize of output 8 [2021-11-25 07:08:45,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:45,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:45,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:45,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:45,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:45,821 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:46,132 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:46,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:46,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:46,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:46,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:46,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:46,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:46,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:46,348 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:46,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:46,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:46,690 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:46,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:46,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:46,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:46,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:46,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:46,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:46,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:46,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:46,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:46,952 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:46,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:46,955 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:46,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:47,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:47,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:47,170 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:47,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:47,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:47,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:47,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:47,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:47,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:47,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:47,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:47,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:47,387 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:47,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:47,391 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:47,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:47,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:47,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:47,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:47,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:47,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:47,732 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 10 treesize of output 8 [2021-11-25 07:08:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:47,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:47,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:47,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:47,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:48,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:48,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:48,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:48,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:48,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:48,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:48,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:48,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:48,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:48,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:48,245 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:48,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:48,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:48,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:48,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:48,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:48,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:48,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:48,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:48,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:48,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:48,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:48,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:48,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:48,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:48,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:48,740 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:48,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:48,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:48,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:48,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:49,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:49,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:49,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:49,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:49,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:49,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:49,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:49,506 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:49,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:49,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:49,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:49,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:49,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:49,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:49,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:49,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:08:49,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:08:49,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:49,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:49,904 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:49,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:08:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:49,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:49,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:50,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:08:50,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:50,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:50,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:50,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:50,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:50,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:50,424 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:50,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:50,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:50,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:50,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:50,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:50,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:50,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:50,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:50,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:50,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:50,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:50,649 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:50,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:50,975 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:50,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:51,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:51,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:51,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:08:51,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:51,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:51,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:51,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:51,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:51,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:51,198 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:51,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:51,201 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:51,496 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:51,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:51,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:51,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:51,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:51,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:51,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:51,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:51,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:51,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:51,724 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:51,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:52,029 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:52,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:52,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:52,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:52,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:52,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:52,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:52,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:52,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:52,280 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:52,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:52,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:52,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:52,471 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:08:52,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:08:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:52,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:52,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:52,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:52,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:52,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:52,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:52,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:52,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:52,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:52,704 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:52,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:52,708 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:53,016 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:53,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:53,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:53,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:53,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:53,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:53,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:53,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:53,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:53,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:53,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:53,271 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:53,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:53,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:53,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:53,500 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:53,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:53,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:53,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:53,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:53,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:53,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:53,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:53,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:53,752 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:53,753 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:53,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:53,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:53,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:53,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:53,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:54,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:54,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:54,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:54,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:54,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:54,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:54,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:54,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:54,167 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:54,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:54,486 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:54,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:54,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:54,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:54,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:54,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:54,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:54,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:54,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:54,735 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:54,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:54,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:54,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:54,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:54,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:08:55,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:55,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:55,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:55,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:55,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:55,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:55,161 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:55,161 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:55,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:55,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:55,348 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:08:55,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:08:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:55,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:55,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:55,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:55,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:55,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:55,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:55,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:55,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:55,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:55,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:55,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:55,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:55,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:55,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:56,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:56,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:56,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:56,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:56,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:56,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:56,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:56,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:56,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:08:56,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:56,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:56,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:56,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:56,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:56,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:56,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:56,697 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:56,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:56,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:56,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:56,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:56,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:56,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:56,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:56,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:56,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:56,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:56,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:57,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:57,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:57,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:57,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:57,291 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 10 treesize of output 8 [2021-11-25 07:08:57,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:57,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:08:57,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:57,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:08:57,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:57,529 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:57,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:08:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:57,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:57,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:57,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:57,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:57,739 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:57,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:57,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:08:58,040 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:58,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:58,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:58,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:58,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:58,168 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 10 treesize of output 8 [2021-11-25 07:08:58,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:58,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:58,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:58,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:58,245 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:58,246 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:58,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:58,547 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:58,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:58,573 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:58,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:58,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:08:58,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:58,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:58,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:58,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:58,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:58,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:58,812 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:58,813 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:58,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:58,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:58,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:59,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:08:59,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:59,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:59,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:59,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:59,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:08:59,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:08:59,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:08:59,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:08:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:59,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:08:59,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:08:59,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:08:59,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:08:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:08:59,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:08:59,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:08:59,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:08:59,639 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:08:59,640 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:08:59,931 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:08:59,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:08:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:08:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:08:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:08:59,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:00,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:00,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:00,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:00,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:00,173 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:00,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:00,177 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:00,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:00,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:00,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:00,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:09:00,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:00,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:00,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:00,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:00,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:00,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:00,896 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:00,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:00,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:00,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:01,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:01,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:01,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:01,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:01,152 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:01,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:01,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:01,459 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:01,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:01,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:01,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:01,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:01,593 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 10 treesize of output 8 [2021-11-25 07:09:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:01,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:01,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:01,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:01,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:01,983 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:01,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:02,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:02,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:02,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:02,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:02,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:02,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:02,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:02,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:02,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:02,205 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:02,208 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:02,208 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:02,539 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:02,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:02,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:02,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:02,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:02,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:02,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:02,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:02,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:02,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:02,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:02,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:02,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:02,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:02,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:02,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:03,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:03,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:03,111 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 10 treesize of output 8 [2021-11-25 07:09:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:03,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:03,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:03,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:03,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:03,499 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:03,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:03,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:03,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:03,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:03,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:03,640 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 10 treesize of output 8 [2021-11-25 07:09:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:03,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:03,738 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:03,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:03,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:03,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:03,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:03,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:03,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:04,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:04,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:04,079 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 10 treesize of output 8 [2021-11-25 07:09:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:04,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:04,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:04,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:04,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:04,476 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:04,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:04,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:04,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:04,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:04,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:04,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:04,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:04,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:04,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:04,695 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:04,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:04,699 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:05,012 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:05,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:05,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:05,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:05,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:05,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:05,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:05,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:05,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:05,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:05,238 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:05,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:05,547 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:05,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:05,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:05,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:05,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:05,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:05,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:05,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:05,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:05,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:05,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:05,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:05,822 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:06,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:06,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:06,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:06,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:06,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:06,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:06,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:06,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:06,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:06,229 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:06,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:06,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:06,574 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:06,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:06,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:06,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:06,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:06,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:06,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:06,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:06,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:06,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:06,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:07,123 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:07,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:07,148 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:07,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:07,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:07,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:07,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:07,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:07,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:07,350 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:07,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:07,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:07,698 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:07,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:07,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:07,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:07,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:07,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:07,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:07,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:07,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:07,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:07,917 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:07,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:07,921 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:08,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:08,254 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:08,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:08,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:08,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:08,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:08,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:08,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:08,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:08,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:08,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:08,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:08,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:08,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:08,488 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:08,489 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:08,816 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:08,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:08,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:08,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:08,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:09:08,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:08,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:09,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:09,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:09,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:09,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:09,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:09,353 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:09,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:09,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:09,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:09,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:09,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:09,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:09,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:09,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:09,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:09,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:09,616 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:09,617 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:09,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:09,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:09,838 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:09,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:09,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:09,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:09,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:10,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:10,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:10,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:10,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:10,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:10,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:10,089 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:10,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:10,376 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:10,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:10,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:10,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:10,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:10,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:10,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:10,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:10,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:10,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:10,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:10,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:10,612 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:10,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:10,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:10,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:10,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:10,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:10,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:10,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:10,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:10,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:10,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:10,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:10,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:10,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:10,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:10,997 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:11,270 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:11,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:11,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:11,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:11,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:11,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:11,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:11,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:11,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:11,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:11,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:11,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:11,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:11,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:11,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:11,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:11,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:11,861 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 10 treesize of output 8 [2021-11-25 07:09:11,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:11,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:11,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:11,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:11,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:11,982 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:12,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:12,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:12,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:12,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:12,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:12,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:12,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:12,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:12,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:12,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:12,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:12,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:12,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:12,412 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:12,729 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:12,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:12,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:12,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:12,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:12,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:12,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:12,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:12,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:12,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:13,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:13,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:13,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:13,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:13,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:13,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:09:13,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:13,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:13,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:13,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:13,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:13,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:13,745 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:13,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:13,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:13,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:13,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:13,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:13,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:13,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:14,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:14,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:14,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:14,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:14,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:14,224 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:14,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:14,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:14,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:14,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:14,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:14,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:14,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:14,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:14,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:14,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:14,745 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:14,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:14,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:14,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:14,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:14,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:09:14,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:14,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:14,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:14,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:15,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:15,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:15,005 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:15,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:15,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:15,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:15,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:15,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:15,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:15,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:15,351 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 10 treesize of output 8 [2021-11-25 07:09:15,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:15,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:15,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:15,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:15,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:15,437 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:15,729 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:15,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:15,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:15,750 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:15,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:15,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:15,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:09:15,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:15,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:15,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:15,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:15,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:15,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:15,935 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:15,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:16,238 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:16,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:16,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:16,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:16,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:16,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:16,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:16,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:16,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:16,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:16,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:16,783 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:16,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:16,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:16,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:16,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:16,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:16,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:17,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:17,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:17,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:17,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:17,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:17,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:17,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:17,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:17,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:17,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:17,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:17,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:17,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:17,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:17,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:17,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:17,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:17,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:17,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:17,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:17,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:17,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:17,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:17,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:17,969 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:17,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:17,972 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:18,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:18,290 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:18,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:18,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:18,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:18,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:18,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:18,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:18,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:18,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:18,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:18,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:18,538 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:18,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:18,542 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:18,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:18,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:18,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:18,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:18,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:18,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:18,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:18,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:09:18,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:18,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:09:19,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:19,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:19,151 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:09:19,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:09:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:19,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:19,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:19,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:19,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:19,288 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 10 treesize of output 8 [2021-11-25 07:09:19,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:19,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:19,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:19,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:19,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:19,413 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:19,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:19,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:19,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:19,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:19,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:19,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:19,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:19,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:19,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:19,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:19,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:19,807 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:19,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:20,053 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:20,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:20,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:20,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:20,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:20,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:20,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:20,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:20,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:20,266 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:20,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:20,270 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:20,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:20,593 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:20,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:20,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:20,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:20,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:20,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:20,733 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 10 treesize of output 8 [2021-11-25 07:09:20,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:20,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:20,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:20,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:20,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:21,117 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:21,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:21,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:21,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:21,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:21,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:21,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:21,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:21,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:21,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:21,383 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:21,383 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:21,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:21,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:21,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:21,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:21,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:09:21,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:21,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:21,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:21,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:21,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:21,823 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:21,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:22,138 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:22,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:22,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:22,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:22,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:22,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:22,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:22,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:22,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:22,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:22,386 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:22,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:22,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:22,570 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:09:22,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:09:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:22,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:22,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:22,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:22,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:22,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:22,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:22,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:22,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:22,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:22,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:23,087 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:23,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:23,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:23,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:23,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:23,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:23,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:23,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:23,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:23,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:23,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:23,325 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:23,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:23,328 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:23,656 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:23,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:23,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:23,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:23,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:09:23,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:23,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:23,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:23,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:23,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:09:23,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:09:23,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:23,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:24,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:24,091 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:09:24,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:09:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:24,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:24,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:24,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:24,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:24,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:24,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:24,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:24,328 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:24,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:24,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:24,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:24,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:24,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:24,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:24,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:24,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:24,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:24,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:24,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:24,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:24,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:24,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:24,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:24,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:24,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:24,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:24,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:24,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:25,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:25,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:25,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:25,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:25,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:25,161 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:25,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:25,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:25,495 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:25,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:25,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:25,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:25,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:25,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:25,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:25,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:25,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:25,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:25,752 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:25,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:25,755 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:25,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:26,095 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:26,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:26,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:26,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:26,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:26,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:26,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:26,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:26,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:26,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:26,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:26,310 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:26,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:26,621 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:26,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:26,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:26,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:26,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:26,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:26,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:26,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:26,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:26,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:26,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:27,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:27,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:27,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:27,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:27,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:27,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:27,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:27,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:27,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:27,284 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:27,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:27,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:27,633 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:27,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:27,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:27,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:27,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:27,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:27,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:27,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:27,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:27,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:27,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:28,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:28,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:28,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:28,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:28,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:28,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:28,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:28,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:28,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:28,357 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:28,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:28,361 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:28,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:28,701 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:28,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:28,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:28,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:28,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:28,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:28,844 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 10 treesize of output 8 [2021-11-25 07:09:28,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:28,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:28,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:28,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:29,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:29,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:29,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:29,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:29,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:09:29,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:29,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:29,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:29,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:29,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:29,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:29,423 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:29,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:29,427 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:29,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:29,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:29,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:29,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:29,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:09:29,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:29,794 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 10 treesize of output 8 [2021-11-25 07:09:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:29,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:09:29,902 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:29,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:09:29,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:30,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:30,032 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:09:30,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:09:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:30,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:30,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:30,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:30,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:30,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:30,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:30,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:30,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:30,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:30,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:30,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:30,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:30,443 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:09:30,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:09:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:30,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:30,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:30,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 07:09:30,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:30,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:30,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:30,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:09:30,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:30,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:09:30,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:30,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:30,882 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:09:30,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:09:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:30,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:30,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:31,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:31,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:31,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:31,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:31,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:31,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:31,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:31,107 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:31,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:31,440 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:31,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:31,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:31,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:31,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:31,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:31,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:31,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:31,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:31,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:31,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:31,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:32,020 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:32,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:32,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:32,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:32,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:32,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:32,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:32,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:32,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:32,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:32,284 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:32,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:32,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:32,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:32,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:32,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:32,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:32,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:32,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:32,654 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 10 treesize of output 8 [2021-11-25 07:09:32,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:32,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:32,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:32,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:32,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:32,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:32,747 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:33,101 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:33,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:33,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:33,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:33,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:33,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:33,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:33,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:33,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:33,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:33,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:33,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:33,372 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:33,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:33,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:33,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:33,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:33,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:33,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:33,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:33,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:33,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:33,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:33,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:33,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:33,870 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:33,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:34,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:34,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:34,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:34,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:34,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:34,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:34,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:34,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:34,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:34,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:34,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:34,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:34,664 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:34,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:34,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:34,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:34,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:34,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:34,805 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 10 treesize of output 8 [2021-11-25 07:09:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:34,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:34,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:34,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:34,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:35,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:35,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:35,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:35,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:35,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:35,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:35,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:35,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:35,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:35,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:35,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:35,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:35,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:35,380 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:35,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:35,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:35,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:35,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:35,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:35,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:35,733 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 10 treesize of output 8 [2021-11-25 07:09:35,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:35,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:35,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:35,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:35,812 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:35,813 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:35,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:36,185 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:36,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:36,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:36,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:36,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:36,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:36,334 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 10 treesize of output 8 [2021-11-25 07:09:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:36,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:36,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:36,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:36,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:36,759 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:36,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:36,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:36,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:36,783 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:36,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:36,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:36,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:36,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:09:36,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:36,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:37,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:37,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:37,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:37,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:37,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:37,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:37,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:37,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:37,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:37,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:37,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:37,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:37,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:37,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:37,486 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:37,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:37,843 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:37,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:37,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:37,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:37,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:38,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:38,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:38,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:38,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:38,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:38,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:38,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:38,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:38,412 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:38,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:38,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:38,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:38,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:38,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:38,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:38,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:38,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:38,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:09:38,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:09:38,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:38,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:38,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:38,873 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:09:38,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:09:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:38,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:38,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:38,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:38,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:39,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:39,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:39,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:39,122 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:39,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:39,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:39,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:39,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:39,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:39,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:39,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:39,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:39,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:39,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:39,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:39,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:39,568 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:39,568 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:39,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:39,937 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:39,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:39,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:39,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:39,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:40,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:40,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:40,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:40,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:40,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:40,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:40,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:40,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:40,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:40,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:40,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:40,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:40,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:09:40,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:40,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:40,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:40,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:40,670 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:40,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:40,674 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:40,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:40,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:40,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:40,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:40,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:41,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:41,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:41,037 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 10 treesize of output 8 [2021-11-25 07:09:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:41,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:41,147 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:41,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:41,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:41,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:41,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:41,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:41,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:41,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:41,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:41,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:41,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:41,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:41,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:41,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:41,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:41,924 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:41,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:41,945 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:41,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:41,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:42,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:42,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:42,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:42,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:42,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:42,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:42,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:42,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:42,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:42,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:42,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:42,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:42,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:42,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:42,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:42,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:42,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:42,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:42,627 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:42,630 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:42,631 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:42,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:42,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:42,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:42,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:42,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:42,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:42,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:42,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:43,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:43,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:43,075 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:43,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:43,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:43,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:43,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:43,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:43,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:43,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:43,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:43,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:43,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:43,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:43,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:43,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:43,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:43,527 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:43,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:43,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:43,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:43,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:43,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:43,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:43,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:43,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:43,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:43,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:43,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:43,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:43,971 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:44,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:44,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:44,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:44,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:44,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:44,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:44,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:44,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:44,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:44,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:44,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:44,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:44,394 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:44,395 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:44,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:44,750 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:44,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:44,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:44,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:44,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:44,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:44,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:44,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:45,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:45,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:45,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:45,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:45,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:45,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:45,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:45,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:45,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:45,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:45,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:45,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:45,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:45,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:45,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:45,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:45,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:45,473 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:45,789 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:45,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:45,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:45,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:45,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 07:09:45,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:45,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:45,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:09:45,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 07:09:45,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:09:45,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:09:53,875 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-25 07:09:53,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 123 [2021-11-25 07:09:53,896 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:09:53,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2021-11-25 07:09:54,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:54,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:54,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 15 [2021-11-25 07:09:54,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 07:09:54,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 103 [2021-11-25 07:09:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:54,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:54,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:54,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:54,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:54,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:54,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:54,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:54,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:54,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:55,058 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:55,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:55,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:55,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:55,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:55,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:55,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:55,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:55,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:55,299 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:55,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:55,303 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:55,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:55,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:55,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:55,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:55,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:55,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:55,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:55,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:55,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:55,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:55,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:55,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:55,697 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:55,697 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:55,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:56,017 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:56,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:56,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:56,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:56,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:56,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:56,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:56,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:56,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:56,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:56,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:56,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:56,262 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:56,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:56,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:56,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:56,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:56,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:56,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:09:56,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:56,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:56,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:56,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:56,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:56,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:56,955 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:56,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:56,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:56,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:57,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:57,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:57,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:57,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:09:57,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:57,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:57,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:57,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:57,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:57,217 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:57,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:57,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:57,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:57,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:57,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:09:57,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:57,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:57,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:57,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:57,656 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:57,658 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:57,659 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:57,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:57,934 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:57,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:57,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:57,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:58,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:58,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:58,067 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 10 treesize of output 8 [2021-11-25 07:09:58,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:58,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:58,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:58,146 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:58,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:58,425 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:58,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:58,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:58,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:58,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:58,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:58,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:58,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:58,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:58,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:09:58,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:58,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:09:58,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:09:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:58,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:58,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:58,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:09:58,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:58,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:59,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:59,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:59,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:59,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:59,050 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:09:59,053 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:59,054 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:59,379 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:59,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:59,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:59,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:59,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:59,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:59,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:09:59,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:09:59,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:09:59,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:09:59,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:09:59,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:09:59,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:09:59,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:09:59,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:09:59,611 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:09:59,929 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:09:59,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:09:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:09:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:09:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:09:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:09:59,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:59,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:00,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:00,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:00,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:00,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:00,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:00,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:00,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:00,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:00,179 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:00,504 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:00,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:00,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:00,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:00,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:00,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:00,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:00,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:00,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:00,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:00,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:00,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:00,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:00,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:01,119 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:01,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:01,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:01,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:01,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:01,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:01,266 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 10 treesize of output 8 [2021-11-25 07:10:01,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:01,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:01,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:01,437 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:01,439 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:01,440 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:01,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:01,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:01,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:01,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:01,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:01,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:01,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:01,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:01,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:01,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:01,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:02,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:02,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:02,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:02,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:02,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:02,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:02,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:02,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:02,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:02,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:02,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:02,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:02,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:02,313 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:02,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:02,668 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:02,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:02,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:02,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:02,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:02,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:02,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:02,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:02,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:02,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:02,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:03,210 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:03,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:03,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:03,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:03,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:03,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:03,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:03,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:03,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:03,447 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:03,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:03,796 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:03,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:03,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:03,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:03,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:03,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:03,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:03,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:03,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:04,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:04,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:04,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:04,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:04,054 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:04,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:04,058 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:04,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:04,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:04,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:04,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:04,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:04,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:04,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:04,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:04,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:04,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:04,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:04,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:04,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:04,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:04,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:04,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:04,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:04,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:04,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:04,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:04,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:04,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:04,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:04,943 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:04,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:05,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:05,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:05,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:05,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:05,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:05,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:05,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:05,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:05,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:05,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:05,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:05,755 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:05,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:05,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:05,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:05,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:05,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:05,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:05,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:05,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:05,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:06,008 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:06,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:06,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:06,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:06,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:06,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:06,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:06,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:06,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:06,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:06,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:06,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:06,440 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:06,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:06,443 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:06,759 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:06,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:06,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:06,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:06,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:06,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:06,904 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 10 treesize of output 8 [2021-11-25 07:10:07,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:07,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:07,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:10:07,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:07,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:07,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:07,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:07,191 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:10:07,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:10:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:07,208 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:07,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:07,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:07,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:07,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:07,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:07,338 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 10 treesize of output 8 [2021-11-25 07:10:07,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:07,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:07,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:07,425 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:07,428 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:07,429 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:07,768 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:07,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:07,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:07,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:07,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:07,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:07,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:07,916 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 10 treesize of output 8 [2021-11-25 07:10:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:08,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:08,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:08,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:08,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:08,040 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:08,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:08,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:08,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:08,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:08,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:08,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:08,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:08,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:08,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:08,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:08,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:08,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:08,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:08,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:08,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:08,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:08,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:08,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:08,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:08,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:08,900 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 10 treesize of output 8 [2021-11-25 07:10:08,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:09,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:09,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:09,019 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:09,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:09,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:09,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:09,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:09,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:09,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:09,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:09,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:09,444 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:09,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:09,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:09,459 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:09,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:09,462 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:09,756 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:09,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:09,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:09,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:09,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:09,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:09,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:09,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:09,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:09,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:09,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:10:09,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:10,007 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:10,190 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:10,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:10:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:10,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:10,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:10,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:10,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:10,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:10,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:10,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:10,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:10,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:10,446 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:10,447 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:10,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:10,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:10,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:10,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:10,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:10,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:10,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:10,791 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 10 treesize of output 8 [2021-11-25 07:10:10,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:10,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:10,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:10,902 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:10,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:11,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:11,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:11,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:11,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:11,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:11,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:11,247 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 10 treesize of output 8 [2021-11-25 07:10:11,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:11,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:11,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:11,328 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:11,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:11,659 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:11,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:11,681 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:11,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:11,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:11,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:11,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:11,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:11,812 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 10 treesize of output 8 [2021-11-25 07:10:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:11,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:11,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:11,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:11,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:11,896 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:11,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:12,251 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:12,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:12,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:12,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:12,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:12,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:12,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:12,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:12,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:12,484 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:12,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:12,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:12,887 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:12,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:12,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:12,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:12,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:13,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:13,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:13,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:13,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:13,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:13,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:13,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:13,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:13,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:13,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:13,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:13,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:13,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:13,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:13,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:13,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:13,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:13,634 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:13,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:13,637 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:13,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:13,953 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:13,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:13,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:13,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:14,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:14,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:14,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:14,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:14,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:14,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:14,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:14,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:14,220 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:14,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:14,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:14,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:14,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:14,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:14,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 07:10:14,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:14,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:14,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-11-25 07:10:14,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-25 07:10:14,601 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:10:14,604 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:10:18,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2021-11-25 07:10:18,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 55 [2021-11-25 07:10:18,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:18,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2021-11-25 07:10:18,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:18,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2021-11-25 07:10:19,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:19,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:19,898 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:19,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:19,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:20,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:20,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:20,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:20,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:20,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:20,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:20,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:20,433 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:20,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:20,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:20,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:20,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:20,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:20,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:20,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:20,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:20,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:20,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:20,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:20,669 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:20,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:21,049 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:21,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:21,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:21,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:21,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:21,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:21,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:21,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:21,275 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:21,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:21,368 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:21,645 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:21,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:21,673 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:21,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:21,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:21,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:21,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:21,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:21,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:21,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:21,912 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:21,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:21,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:22,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:22,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:22,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:22,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:22,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:22,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:22,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:22,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:22,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:22,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:22,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:22,452 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:22,453 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:22,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:22,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:22,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:22,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:22,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:22,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:22,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:22,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:22,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:22,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:22,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:23,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:23,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:23,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:23,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:23,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:23,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:23,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:23,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:23,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:23,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:23,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:23,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:10:23,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:23,544 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:10:23,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:10:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:23,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:23,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:23,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:23,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:23,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:23,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:23,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:23,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:23,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:23,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:24,116 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:24,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:24,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:24,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:24,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:24,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:24,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:24,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:24,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:24,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:24,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:24,388 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:24,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:24,392 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:24,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:24,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:24,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:24,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:24,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:24,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:24,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:24,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:24,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:24,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:24,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:24,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:24,858 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:25,268 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:25,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:25,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:25,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:25,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:25,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:25,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:25,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:25,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:25,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:25,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:25,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:25,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:25,529 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:25,896 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:25,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:25,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:25,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:26,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:26,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:26,049 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 10 treesize of output 8 [2021-11-25 07:10:26,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:26,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:26,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:26,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:26,179 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:26,180 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:26,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:26,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:26,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:26,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:26,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:26,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:26,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:26,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:26,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:26,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:26,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:26,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:26,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:26,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:26,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:27,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:27,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:27,079 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 10 treesize of output 8 [2021-11-25 07:10:27,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:27,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:27,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:27,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:27,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:27,517 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:27,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:27,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:27,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:27,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:27,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:27,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:27,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:27,767 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:27,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:27,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:28,150 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:28,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:28,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:28,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:28,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:10:28,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:28,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:28,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:28,386 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:28,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:28,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:28,760 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:28,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:28,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:28,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:28,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:28,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:28,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:28,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:29,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:29,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:29,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:29,398 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:29,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:29,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:29,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:29,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:29,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:29,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:29,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:29,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:29,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:29,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:29,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:30,004 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:30,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:30,030 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:30,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:30,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:30,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:30,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:30,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:30,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:30,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:30,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:30,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:30,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:30,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:30,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:30,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:30,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:30,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:30,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:30,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:30,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:30,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:30,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:30,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:30,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:31,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:31,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:31,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:31,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:31,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:31,168 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 10 treesize of output 8 [2021-11-25 07:10:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:31,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:31,245 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:31,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:31,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:31,596 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:31,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:31,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:31,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:31,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:31,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:31,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:31,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:31,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:31,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:31,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:31,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:31,850 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:31,853 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:31,854 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:32,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:32,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:32,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:32,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:32,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:32,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:32,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:32,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:32,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:32,323 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:32,326 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:32,327 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:32,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:32,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:32,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:32,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:32,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:32,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:32,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:32,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:32,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:32,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:32,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:10:32,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:32,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:32,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:33,036 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:33,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 07:10:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:33,055 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:33,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:33,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:33,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:33,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:33,186 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 10 treesize of output 8 [2021-11-25 07:10:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:33,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:33,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:33,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:33,268 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:33,269 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:33,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:33,625 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:33,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:33,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:33,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:33,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:33,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:33,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:33,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:33,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:33,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:33,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:33,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:34,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:34,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:34,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:34,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:34,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:34,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:34,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:34,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:34,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:34,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:34,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:34,388 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:34,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:34,393 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:34,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:34,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:34,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:34,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:34,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:34,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:34,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:34,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:34,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:34,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:34,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:35,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:35,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:35,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:35,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:35,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:35,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:35,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:35,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:35,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:35,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:35,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:35,744 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:35,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:35,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:35,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:35,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:35,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:35,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:35,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:35,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:35,998 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:36,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:36,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:36,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:36,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:36,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:36,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:36,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:36,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:36,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:36,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:36,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:36,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:36,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:36,486 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:36,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:36,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:36,722 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:36,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:36,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:36,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:10:36,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:36,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:36,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:36,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:36,937 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:36,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:37,283 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:37,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:37,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:37,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:37,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:37,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:37,420 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 10 treesize of output 8 [2021-11-25 07:10:37,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:37,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:37,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:10:37,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:37,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:37,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:37,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:37,735 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:10:37,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:10:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:37,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:37,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:37,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:37,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:37,890 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 10 treesize of output 8 [2021-11-25 07:10:37,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:37,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:37,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:38,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:38,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:38,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:38,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:38,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:38,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:38,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:38,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:38,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:38,410 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 10 treesize of output 8 [2021-11-25 07:10:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:38,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:38,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:38,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:38,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:38,533 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:38,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:38,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:38,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:38,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:38,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:38,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:38,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:38,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:39,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:39,072 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:39,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:10:39,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:39,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:39,241 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:10:39,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:10:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:39,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:39,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:39,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:39,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:39,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:39,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:39,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:39,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:39,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:39,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:39,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:39,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:39,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:39,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:39,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:39,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:39,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:39,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:39,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:40,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:40,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:40,016 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:40,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:40,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:40,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:40,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:40,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:40,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:40,375 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 10 treesize of output 8 [2021-11-25 07:10:40,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:40,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:40,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:40,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:40,468 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:40,469 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:40,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:40,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:40,666 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:10:40,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:10:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:40,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:40,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:40,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:10:40,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:40,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:40,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:40,941 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:40,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-25 07:10:40,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:41,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:41,135 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:10:41,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:10:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:41,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:41,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:41,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:41,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:41,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:41,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:41,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:41,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:41,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:41,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:41,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:41,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:41,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:41,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:41,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:41,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:41,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:41,882 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:41,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:41,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:42,247 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:42,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:42,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:42,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:42,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:42,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:42,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:42,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:42,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:42,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:42,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:42,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:42,527 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:42,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:42,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:42,779 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:10:42,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:10:42,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:42,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:42,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:42,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:10:42,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:42,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:43,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:43,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:43,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:43,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:43,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:43,023 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:43,406 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:43,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:43,426 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:43,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:43,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:43,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:43,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:43,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:43,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:43,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:43,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:43,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:43,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:43,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:43,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:43,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:44,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:44,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:44,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:44,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:44,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:44,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:44,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:44,105 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:44,187 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:44,449 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:44,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:44,469 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:44,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:44,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:44,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:10:44,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:44,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:44,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:44,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:44,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:44,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:44,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:44,694 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:45,031 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:45,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:45,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:45,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:45,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:45,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:45,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:45,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:45,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:45,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:45,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:45,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:45,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:45,656 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:45,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:45,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:45,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:45,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:45,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:45,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:45,883 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:45,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:45,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:45,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:45,907 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:45,908 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:46,277 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:46,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:46,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:46,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:46,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:46,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:46,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:46,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:46,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:46,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:46,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:46,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:46,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:46,744 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:46,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:46,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:46,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:46,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:46,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:46,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:46,988 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:46,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:47,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:47,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:47,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:47,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:47,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:47,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:47,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:47,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:47,332 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 10 treesize of output 8 [2021-11-25 07:10:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:47,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:47,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:47,429 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:47,432 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:47,433 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:47,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:47,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:47,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:47,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:47,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:47,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:47,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:47,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:47,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:47,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:47,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:47,882 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:47,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:47,886 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:48,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:48,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:48,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:48,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:48,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:48,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:48,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:48,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:48,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:48,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:48,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:48,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:48,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:48,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:48,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:48,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:48,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:48,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:48,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:48,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:48,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-11-25 07:10:48,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2021-11-25 07:10:48,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:48,853 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:49,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:49,030 INFO L354 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2021-11-25 07:10:49,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 07:10:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:49,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:49,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:49,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:49,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:49,186 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 10 treesize of output 8 [2021-11-25 07:10:49,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:49,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:49,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:49,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:49,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:49,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:49,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:49,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:49,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:49,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:49,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:49,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:49,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:49,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:49,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:49,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:49,814 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:49,913 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:50,254 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:50,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:50,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:50,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:50,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:50,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:50,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:50,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:50,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:50,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:50,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:50,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:50,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:50,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:50,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:50,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:50,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:50,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:51,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:51,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:51,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:51,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:51,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:51,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:51,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:51,166 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:51,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:51,169 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:51,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:51,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:51,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:51,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:51,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:51,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:51,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:51,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:51,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:51,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:51,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:51,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:51,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:51,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:51,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:51,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:52,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:10:52,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:52,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:52,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:52,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:52,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:52,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:52,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:52,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:52,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:52,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:52,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:52,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:52,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:52,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:52,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:52,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:52,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:52,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:52,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:52,998 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:52,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:53,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:53,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:53,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:53,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:53,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:53,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:53,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:53,268 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:53,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:53,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:53,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:53,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:53,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:53,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:53,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:53,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:53,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:53,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:53,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:53,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:53,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:53,782 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:53,782 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:53,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:53,997 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-25 07:10:53,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 14 [2021-11-25 07:10:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:54,015 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:54,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:54,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:54,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:10:54,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:54,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:54,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:54,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:54,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-25 07:10:54,324 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:54,325 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:54,378 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:54,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:54,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:54,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:54,595 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:54,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:54,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:54,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:54,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:54,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:54,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:54,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:54,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:54,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:55,251 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:55,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:55,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:55,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:55,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:55,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:55,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:55,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:55,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2021-11-25 07:10:55,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:55,542 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 07:10:55,542 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-25 07:10:55,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:55,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:55,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:55,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:55,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:55,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:55,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:55,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:55,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:56,008 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:56,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:56,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:56,408 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:56,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:56,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:56,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:56,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:56,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:56,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:56,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:56,661 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:56,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:56,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:56,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:56,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:56,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:56,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:56,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:57,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:10:57,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:57,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:57,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:57,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:57,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:57,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:57,529 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:57,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:57,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:57,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:57,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:10:57,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:57,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:57,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:57,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:57,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:57,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:58,149 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:58,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:58,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:58,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:58,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:58,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:58,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:58,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:58,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:58,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:58,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:58,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:58,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 07:10:58,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2021-11-25 07:10:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:58,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:58,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:58,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:10:58,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:58,834 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 10 treesize of output 8 [2021-11-25 07:10:58,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 07:10:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:58,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:58,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:58,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 07:10:59,282 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-25 07:10:59,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 17 [2021-11-25 07:10:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:10:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:10:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 62 states and 292 transitions. [2021-11-25 07:10:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 292 transitions. [2021-11-25 07:10:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:10:59,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:10:59,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:10:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:10:59,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:10:59,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:10:59,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 07:10:59,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:10:59,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:10:59,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-11-25 07:10:59,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 07:10:59,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25