./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array12_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/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_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array12_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/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_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/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 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:39:56,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:39:56,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:39:56,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:39:56,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:39:56,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:39:56,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:39:56,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:39:56,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:39:56,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:39:56,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:39:56,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:39:56,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:39:56,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:39:56,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:39:56,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:39:56,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:39:56,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:39:56,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:39:56,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:39:56,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:39:56,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:39:56,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:39:56,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:39:56,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:39:56,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:39:56,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:39:56,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:39:56,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:39:56,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:39:56,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:39:56,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:39:56,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:39:56,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:39:56,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:39:56,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:39:56,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:39:56,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:39:56,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:39:56,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:39:56,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:39:56,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:39:56,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:39:56,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:39:56,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:39:56,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:39:56,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:39:56,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:39:56,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:39:56,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:39:56,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:39:56,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:39:56,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:39:56,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:39:56,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:39:56,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:39:56,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:39:56,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:39:56,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:39:56,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:39:56,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:39:56,778 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:39:56,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:39:56,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:39:56,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:39:56,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:39:56,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:39:56,779 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:39:56,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:39:56,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:39:56,781 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_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b [2021-11-25 06:39:57,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:39:57,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:39:57,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:39:57,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:39:57,095 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:39:57,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-patterns/array12_pattern.c [2021-11-25 06:39:57,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/data/6d0135703/80f93c55d9b94d03bc3b1dc3e797c2f7/FLAG94b249612 [2021-11-25 06:39:57,666 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:39:57,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/sv-benchmarks/c/array-patterns/array12_pattern.c [2021-11-25 06:39:57,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/data/6d0135703/80f93c55d9b94d03bc3b1dc3e797c2f7/FLAG94b249612 [2021-11-25 06:39:58,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/data/6d0135703/80f93c55d9b94d03bc3b1dc3e797c2f7 [2021-11-25 06:39:58,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:39:58,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:39:58,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:39:58,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:39:58,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:39:58,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc625f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58, skipping insertion in model container [2021-11-25 06:39:58,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:39:58,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:39:58,242 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_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2021-11-25 06:39:58,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:39:58,280 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:39:58,292 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_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2021-11-25 06:39:58,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:39:58,325 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:39:58,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58 WrapperNode [2021-11-25 06:39:58,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:39:58,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:39:58,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:39:58,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:39:58,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,377 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2021-11-25 06:39:58,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:39:58,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:39:58,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:39:58,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:39:58,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:39:58,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:39:58,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:39:58,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:39:58,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:39:58,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:39:58,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:39:58,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe80c79-3ccf-4c09-951d-2e1f5c57afa3/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:39:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:39:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 06:39:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 06:39:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:39:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:39:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:39:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:39:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:39:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:39:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:39:58,536 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:39:58,537 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:39:58,684 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:39:58,716 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:39:58,717 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 06:39:58,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:39:58 BoogieIcfgContainer [2021-11-25 06:39:58,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:39:58,720 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:39:58,720 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:39:58,731 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:39:58,731 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:39:58" (1/1) ... [2021-11-25 06:39:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:39:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-25 06:39:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-25 06:39:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:39:58,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:58,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:58,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:39:58,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:39:58,982 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 06:39:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-25 06:39:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-25 06:39:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:39:59,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:59,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:59,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:39:59,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:39:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:39:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-25 06:39:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-25 06:39:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:39:59,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:59,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:59,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:39:59,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:39:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:39:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-25 06:39:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-25 06:39:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:39:59,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:59,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:59,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:39:59,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:39:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:40:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-25 06:40:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-25 06:40:00,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:40:00,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:00,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:00,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:40:00,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:40:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-25 06:40:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-25 06:40:00,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:00,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:00,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:00,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:00,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:01,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:01,124 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:01,124 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:01,148 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 18 treesize of output 3 [2021-11-25 06:40:01,660 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-25 06:40:01,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 29 [2021-11-25 06:40:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:04,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 85 transitions. [2021-11-25 06:40:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2021-11-25 06:40:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:04,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:04,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:04,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:04,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:04,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:04,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:04,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:40:05,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:05,428 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:05,429 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:05,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:05,705 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:05,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 111 transitions. [2021-11-25 06:40:08,184 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 111 transitions. [2021-11-25 06:40:08,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:08,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:08,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:08,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:08,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:08,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:08,458 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-25 06:40:09,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:09,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:09,363 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:09,364 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:09,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:09,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:09,643 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:09,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 115 transitions. [2021-11-25 06:40:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2021-11-25 06:40:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:10,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:10,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:10,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:40:10,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:10,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:10,708 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 8 treesize of output 7 [2021-11-25 06:40:10,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:11,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:11,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:40:11,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:40:11,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:40:11,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:40:11,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:11,720 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 59 [2021-11-25 06:40:11,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2021-11-25 06:40:12,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:40:12,482 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:40:12,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 26 [2021-11-25 06:40:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 67 states and 164 transitions. [2021-11-25 06:40:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 164 transitions. [2021-11-25 06:40:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:16,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:16,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:16,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:16,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:16,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:16,520 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:16,520 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:16,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:16,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:16,836 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:16,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 69 states and 170 transitions. [2021-11-25 06:40:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 170 transitions. [2021-11-25 06:40:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:17,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:17,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:17,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:17,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:17,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:17,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:17,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:17,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:17,706 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:17,706 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:17,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:17,738 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 18 treesize of output 3 [2021-11-25 06:40:18,008 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:18,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 71 states and 176 transitions. [2021-11-25 06:40:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 176 transitions. [2021-11-25 06:40:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:18,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:18,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:18,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:18,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:18,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:18,693 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:18,693 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:18,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:19,025 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:19,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 73 states and 182 transitions. [2021-11-25 06:40:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 182 transitions. [2021-11-25 06:40:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:19,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:19,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:19,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:19,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:19,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:19,676 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:19,677 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:19,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:19,952 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:19,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:20,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 75 states and 188 transitions. [2021-11-25 06:40:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 188 transitions. [2021-11-25 06:40:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:20,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:20,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:20,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:40:20,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:20,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:20,369 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:20,370 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:20,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:20,405 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 18 treesize of output 3 [2021-11-25 06:40:20,680 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:20,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 77 states and 194 transitions. [2021-11-25 06:40:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 194 transitions. [2021-11-25 06:40:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:20,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:20,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:20,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:20,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:21,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:21,015 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 8 treesize of output 7 [2021-11-25 06:40:21,024 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 8 treesize of output 7 [2021-11-25 06:40:21,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:21,504 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:21,505 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:21,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:21,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:21,778 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:21,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 79 states and 200 transitions. [2021-11-25 06:40:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 200 transitions. [2021-11-25 06:40:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:21,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:21,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:22,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:22,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:22,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:22,074 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 8 treesize of output 7 [2021-11-25 06:40:22,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:22,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:22,468 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:22,468 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:22,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:22,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:22,805 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:22,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 81 states and 206 transitions. [2021-11-25 06:40:22,863 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 206 transitions. [2021-11-25 06:40:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:22,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:22,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:22,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:22,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:22,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:22,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:22,985 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 13 treesize of output 12 [2021-11-25 06:40:23,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:23,543 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:23,543 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:23,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:23,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:23,853 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:23,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 83 states and 212 transitions. [2021-11-25 06:40:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 212 transitions. [2021-11-25 06:40:24,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:24,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:24,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:24,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:24,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:24,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:24,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:24,192 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 8 treesize of output 7 [2021-11-25 06:40:24,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:24,537 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:24,537 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:24,550 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 18 treesize of output 3 [2021-11-25 06:40:24,822 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:24,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 85 states and 218 transitions. [2021-11-25 06:40:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 218 transitions. [2021-11-25 06:40:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:24,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:24,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:24,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:24,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:25,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:25,120 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:25,120 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:25,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:25,369 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:25,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 87 states and 224 transitions. [2021-11-25 06:40:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 224 transitions. [2021-11-25 06:40:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:25,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:25,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:25,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:40:25,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:25,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:25,533 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 8 treesize of output 7 [2021-11-25 06:40:25,544 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 8 treesize of output 7 [2021-11-25 06:40:25,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:25,854 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:25,855 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:25,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:25,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:26,230 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:26,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 89 states and 230 transitions. [2021-11-25 06:40:26,287 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 230 transitions. [2021-11-25 06:40:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:26,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:26,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:26,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:26,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:26,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:26,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:26,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:26,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:26,733 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:26,734 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:26,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:27,002 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:27,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 91 states and 236 transitions. [2021-11-25 06:40:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 236 transitions. [2021-11-25 06:40:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:27,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:27,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:27,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:27,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:27,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:27,272 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:27,272 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:27,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:27,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:27,578 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:27,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 93 states and 242 transitions. [2021-11-25 06:40:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 242 transitions. [2021-11-25 06:40:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:27,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:27,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:27,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:40:27,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:27,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:27,971 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:27,971 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:27,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:28,001 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 18 treesize of output 3 [2021-11-25 06:40:28,256 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:28,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 95 states and 248 transitions. [2021-11-25 06:40:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 248 transitions. [2021-11-25 06:40:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:28,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:28,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:28,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:40:28,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:28,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2021-11-25 06:40:28,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2021-11-25 06:40:29,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:29,258 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:29,258 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:29,273 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 18 treesize of output 3 [2021-11-25 06:40:29,563 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:29,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 97 states and 254 transitions. [2021-11-25 06:40:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 254 transitions. [2021-11-25 06:40:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:30,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:30,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:30,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:40:30,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:30,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:30,117 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 8 treesize of output 7 [2021-11-25 06:40:30,128 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 8 treesize of output 7 [2021-11-25 06:40:30,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:30,547 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:30,552 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:30,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:30,603 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 18 treesize of output 3 [2021-11-25 06:40:30,891 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:30,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 99 states and 260 transitions. [2021-11-25 06:40:30,942 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 260 transitions. [2021-11-25 06:40:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:30,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:30,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:31,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:31,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:31,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:31,176 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:31,177 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:31,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:31,460 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:31,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 101 states and 266 transitions. [2021-11-25 06:40:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 266 transitions. [2021-11-25 06:40:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:31,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:31,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:31,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:31,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:31,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:31,763 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:31,763 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:31,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:31,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:32,073 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:32,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 103 states and 272 transitions. [2021-11-25 06:40:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 272 transitions. [2021-11-25 06:40:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:32,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:32,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:32,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:32,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:32,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:32,383 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:32,384 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:32,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:32,437 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 18 treesize of output 3 [2021-11-25 06:40:32,702 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:32,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:32,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 105 states and 278 transitions. [2021-11-25 06:40:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 278 transitions. [2021-11-25 06:40:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:32,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:32,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:32,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:32,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:32,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:32,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:32,877 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 8 treesize of output 7 [2021-11-25 06:40:33,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:33,225 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:33,226 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:33,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:33,268 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 18 treesize of output 3 [2021-11-25 06:40:33,527 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:33,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 107 states and 284 transitions. [2021-11-25 06:40:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 284 transitions. [2021-11-25 06:40:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:33,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:33,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:33,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:33,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:33,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:33,786 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:33,787 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:33,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:34,068 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:34,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 109 states and 290 transitions. [2021-11-25 06:40:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 290 transitions. [2021-11-25 06:40:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:34,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:34,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:34,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:34,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:34,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:34,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:34,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:34,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:34,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:34,572 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:34,572 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:34,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:34,960 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:34,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 111 states and 296 transitions. [2021-11-25 06:40:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 296 transitions. [2021-11-25 06:40:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:35,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:35,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:35,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:35,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:35,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:35,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:40:35,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:35,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:35,486 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:35,486 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:35,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:35,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:35,802 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:35,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 113 states and 302 transitions. [2021-11-25 06:40:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 302 transitions. [2021-11-25 06:40:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:35,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:35,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:35,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:35,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:35,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:35,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:35,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:36,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:36,270 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:36,270 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:36,291 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 18 treesize of output 3 [2021-11-25 06:40:36,587 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:36,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 115 states and 308 transitions. [2021-11-25 06:40:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 308 transitions. [2021-11-25 06:40:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:36,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:36,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:36,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:36,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:36,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:36,868 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:36,868 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:36,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:36,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:37,196 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:37,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 117 states and 314 transitions. [2021-11-25 06:40:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 314 transitions. [2021-11-25 06:40:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:37,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:37,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:37,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:40:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:37,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:37,475 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:37,475 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:37,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:37,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:37,778 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:37,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 119 states and 320 transitions. [2021-11-25 06:40:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 320 transitions. [2021-11-25 06:40:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:37,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:37,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:37,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:37,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:37,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:37,933 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 8 treesize of output 7 [2021-11-25 06:40:37,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:38,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:38,271 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:38,271 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:38,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:38,309 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 18 treesize of output 3 [2021-11-25 06:40:38,606 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:38,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 121 states and 326 transitions. [2021-11-25 06:40:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 326 transitions. [2021-11-25 06:40:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:38,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:38,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:38,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:40:38,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:38,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:38,891 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:38,891 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:38,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:38,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:39,205 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:39,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 123 states and 332 transitions. [2021-11-25 06:40:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 332 transitions. [2021-11-25 06:40:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:39,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:39,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:39,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:40:39,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:39,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:39,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:39,366 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 8 treesize of output 7 [2021-11-25 06:40:39,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:39,820 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:39,820 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:39,828 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 18 treesize of output 3 [2021-11-25 06:40:40,124 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:40,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 125 states and 338 transitions. [2021-11-25 06:40:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 338 transitions. [2021-11-25 06:40:40,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:40,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:40,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:40,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:40,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:40,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:40,267 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 13 treesize of output 12 [2021-11-25 06:40:40,275 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 13 treesize of output 12 [2021-11-25 06:40:40,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:40,614 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:40,614 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:40,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:40,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:40,929 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:40,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 127 states and 344 transitions. [2021-11-25 06:40:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 344 transitions. [2021-11-25 06:40:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:40,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:40,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:41,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:41,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:41,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:41,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:40:41,074 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 8 treesize of output 7 [2021-11-25 06:40:41,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:41,524 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:41,524 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:41,538 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 18 treesize of output 3 [2021-11-25 06:40:41,843 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:41,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 129 states and 350 transitions. [2021-11-25 06:40:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 350 transitions. [2021-11-25 06:40:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:41,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:41,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:41,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:41,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:41,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:41,993 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 13 treesize of output 12 [2021-11-25 06:40:42,000 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 13 treesize of output 12 [2021-11-25 06:40:42,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:42,360 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:42,360 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:42,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:42,692 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:42,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 131 states and 356 transitions. [2021-11-25 06:40:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 356 transitions. [2021-11-25 06:40:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:42,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:42,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:42,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:42,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:42,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:42,992 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:42,992 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:43,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:43,312 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:43,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:43,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 133 states and 362 transitions. [2021-11-25 06:40:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 362 transitions. [2021-11-25 06:40:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:43,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:43,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:43,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:43,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:43,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:43,569 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:43,570 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:43,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:43,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:43,901 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:43,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 135 states and 368 transitions. [2021-11-25 06:40:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 368 transitions. [2021-11-25 06:40:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:43,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:43,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:44,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:44,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:44,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:44,173 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:44,173 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:44,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:44,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:44,532 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:44,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:44,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 137 states and 374 transitions. [2021-11-25 06:40:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 374 transitions. [2021-11-25 06:40:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:44,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:44,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:44,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:40:44,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:44,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:44,788 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:44,789 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:44,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:45,141 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:45,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 139 states and 380 transitions. [2021-11-25 06:40:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 380 transitions. [2021-11-25 06:40:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:45,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:45,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:45,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:45,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:45,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:45,307 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 8 treesize of output 7 [2021-11-25 06:40:45,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:45,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:45,658 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:45,659 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:45,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:45,698 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 18 treesize of output 3 [2021-11-25 06:40:46,003 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:46,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 141 states and 386 transitions. [2021-11-25 06:40:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 386 transitions. [2021-11-25 06:40:46,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:46,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:46,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:46,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:46,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:46,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:46,266 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:46,266 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:46,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:46,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:46,610 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:46,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:46,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 143 states and 392 transitions. [2021-11-25 06:40:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 392 transitions. [2021-11-25 06:40:46,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:46,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:46,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:46,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:46,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:46,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:46,774 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 8 treesize of output 7 [2021-11-25 06:40:46,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:47,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:47,124 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:47,125 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:47,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:47,463 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:47,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 145 states and 398 transitions. [2021-11-25 06:40:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 398 transitions. [2021-11-25 06:40:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:47,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:47,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:47,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:40:47,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:47,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:47,745 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:47,745 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:47,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:48,111 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:48,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 147 states and 404 transitions. [2021-11-25 06:40:48,154 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 404 transitions. [2021-11-25 06:40:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:48,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:48,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:48,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:48,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:48,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:48,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:48,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:40:48,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:48,598 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:48,598 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:48,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:48,920 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:48,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 149 states and 410 transitions. [2021-11-25 06:40:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 410 transitions. [2021-11-25 06:40:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:48,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:48,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:49,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:49,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:49,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:49,077 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 8 treesize of output 7 [2021-11-25 06:40:49,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:49,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:49,436 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:49,436 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:49,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:49,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:49,815 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:49,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 151 states and 416 transitions. [2021-11-25 06:40:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 416 transitions. [2021-11-25 06:40:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:49,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:49,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:49,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:49,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:49,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:49,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:50,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:50,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:50,336 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:50,337 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:50,358 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 18 treesize of output 3 [2021-11-25 06:40:50,716 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:50,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 153 states and 422 transitions. [2021-11-25 06:40:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 422 transitions. [2021-11-25 06:40:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:50,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:50,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:50,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:40:50,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:50,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:50,970 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:50,970 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:50,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:51,025 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 18 treesize of output 3 [2021-11-25 06:40:51,367 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:51,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 155 states and 428 transitions. [2021-11-25 06:40:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 428 transitions. [2021-11-25 06:40:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:51,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:51,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:51,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:51,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:51,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:51,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:40:51,544 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 13 treesize of output 12 [2021-11-25 06:40:52,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:52,088 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:52,088 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:52,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:52,427 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:52,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 157 states and 434 transitions. [2021-11-25 06:40:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 434 transitions. [2021-11-25 06:40:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:52,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:52,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:52,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:52,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:52,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:52,728 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:52,728 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:52,755 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 18 treesize of output 3 [2021-11-25 06:40:53,104 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:53,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 159 states and 440 transitions. [2021-11-25 06:40:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 440 transitions. [2021-11-25 06:40:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:53,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:53,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:53,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:40:53,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:53,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:53,408 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:53,408 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:53,420 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 18 treesize of output 3 [2021-11-25 06:40:53,780 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:53,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 161 states and 446 transitions. [2021-11-25 06:40:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 446 transitions. [2021-11-25 06:40:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:53,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:53,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:53,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:53,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:53,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:53,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:40:53,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:40:54,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:40:54,489 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:54,489 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:54,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:54,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:40:54,857 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:54,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 163 states and 452 transitions. [2021-11-25 06:40:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 452 transitions. [2021-11-25 06:40:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:54,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:54,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:54,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:40:54,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:55,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:55,134 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:55,134 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:55,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:55,173 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 18 treesize of output 3 [2021-11-25 06:40:55,514 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:55,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 165 states and 458 transitions. [2021-11-25 06:40:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 458 transitions. [2021-11-25 06:40:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:55,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:55,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:55,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:40:55,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:55,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:55,780 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:55,780 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:55,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:55,826 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 18 treesize of output 3 [2021-11-25 06:40:56,189 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:56,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 167 states and 464 transitions. [2021-11-25 06:40:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 464 transitions. [2021-11-25 06:40:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:56,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:56,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:56,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:56,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:56,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:56,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:56,335 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 8 treesize of output 7 [2021-11-25 06:40:56,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:56,681 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:56,681 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:56,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:56,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:57,066 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:57,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 169 states and 470 transitions. [2021-11-25 06:40:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 470 transitions. [2021-11-25 06:40:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:57,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:57,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:57,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:40:57,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:57,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:40:57,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:57,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:57,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:57,724 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:57,724 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:57,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:58,094 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:58,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 171 states and 476 transitions. [2021-11-25 06:40:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 476 transitions. [2021-11-25 06:40:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:58,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:58,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:58,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:40:58,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:58,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:40:58,385 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:40:58,385 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:40:58,419 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 18 treesize of output 3 [2021-11-25 06:40:58,771 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:58,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 173 states and 482 transitions. [2021-11-25 06:40:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 482 transitions. [2021-11-25 06:40:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:58,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:40:58,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:58,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:58,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:58,933 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 13 treesize of output 12 [2021-11-25 06:40:59,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:40:59,369 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:40:59,370 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:40:59,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:40:59,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:40:59,807 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:40:59,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:40:59,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:40:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 175 states and 488 transitions. [2021-11-25 06:40:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 488 transitions. [2021-11-25 06:40:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:40:59,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:59,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:59,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:40:59,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:40:59,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:40:59,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:40:59,970 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 13 treesize of output 12 [2021-11-25 06:41:00,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:00,461 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:00,461 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:00,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:00,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:00,875 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:00,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 177 states and 494 transitions. [2021-11-25 06:41:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 494 transitions. [2021-11-25 06:41:00,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:00,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:00,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:00,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:41:00,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:01,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:41:01,037 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 13 treesize of output 12 [2021-11-25 06:41:01,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:01,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:01,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:01,442 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:01,442 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:01,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:01,852 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:01,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 179 states and 500 transitions. [2021-11-25 06:41:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 500 transitions. [2021-11-25 06:41:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:01,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:01,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:01,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:01,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:02,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:02,016 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 8 treesize of output 7 [2021-11-25 06:41:02,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:02,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:02,413 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:02,413 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:02,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:02,814 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:02,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 181 states and 506 transitions. [2021-11-25 06:41:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 506 transitions. [2021-11-25 06:41:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:02,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:02,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:02,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:02,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:02,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:02,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:02,984 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 8 treesize of output 7 [2021-11-25 06:41:03,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:03,350 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:03,350 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:03,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:03,410 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 18 treesize of output 3 [2021-11-25 06:41:03,783 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:03,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:03,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 183 states and 512 transitions. [2021-11-25 06:41:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 512 transitions. [2021-11-25 06:41:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:03,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:03,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:03,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:03,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:04,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:04,053 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:04,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:04,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:04,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:04,493 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:04,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 185 states and 518 transitions. [2021-11-25 06:41:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 518 transitions. [2021-11-25 06:41:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:04,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:04,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:04,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:04,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:04,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:04,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:04,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:05,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:05,038 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:05,038 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:05,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:05,438 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:05,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 187 states and 524 transitions. [2021-11-25 06:41:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 524 transitions. [2021-11-25 06:41:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:05,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:05,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:05,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:41:05,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:05,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:05,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:05,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:06,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:06,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:06,068 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:06,069 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:06,091 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 18 treesize of output 3 [2021-11-25 06:41:06,526 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:06,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:06,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 189 states and 530 transitions. [2021-11-25 06:41:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 530 transitions. [2021-11-25 06:41:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:06,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:06,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:06,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:06,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:06,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:06,674 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 8 treesize of output 7 [2021-11-25 06:41:06,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:07,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:07,089 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:07,090 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:07,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:07,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:07,570 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:07,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:07,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 191 states and 536 transitions. [2021-11-25 06:41:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 536 transitions. [2021-11-25 06:41:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:07,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:07,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:07,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:41:07,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:07,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:07,830 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:07,830 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:07,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:08,266 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:08,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 193 states and 542 transitions. [2021-11-25 06:41:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 542 transitions. [2021-11-25 06:41:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:08,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:08,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:08,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:41:08,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:08,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:41:08,439 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:08,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:08,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:08,982 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:08,983 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:09,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:09,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:09,478 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:09,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 195 states and 548 transitions. [2021-11-25 06:41:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 548 transitions. [2021-11-25 06:41:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:09,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:09,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:09,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:09,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:09,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:09,762 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:09,763 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:09,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:09,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:10,260 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:10,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 197 states and 554 transitions. [2021-11-25 06:41:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 554 transitions. [2021-11-25 06:41:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:10,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:10,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:10,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:41:10,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:10,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:10,531 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:10,531 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:10,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:10,576 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 18 treesize of output 3 [2021-11-25 06:41:11,015 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:11,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:11,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 199 states and 560 transitions. [2021-11-25 06:41:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 560 transitions. [2021-11-25 06:41:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:11,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:11,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:11,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:41:11,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:11,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:11,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:11,158 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 8 treesize of output 7 [2021-11-25 06:41:11,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:11,707 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:11,707 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:11,726 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 18 treesize of output 3 [2021-11-25 06:41:12,151 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:12,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 201 states and 566 transitions. [2021-11-25 06:41:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 566 transitions. [2021-11-25 06:41:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:12,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:12,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:12,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:41:12,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:12,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:12,427 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:12,427 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:12,449 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 18 treesize of output 3 [2021-11-25 06:41:12,887 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:12,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 203 states and 572 transitions. [2021-11-25 06:41:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 572 transitions. [2021-11-25 06:41:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:12,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:12,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:12,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:12,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:13,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:13,166 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:13,166 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:13,194 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:13,228 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 18 treesize of output 3 [2021-11-25 06:41:13,654 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:13,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 205 states and 578 transitions. [2021-11-25 06:41:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 578 transitions. [2021-11-25 06:41:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:13,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:13,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:13,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:41:13,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:13,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:13,912 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:13,912 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:13,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:14,358 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:14,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:14,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 207 states and 584 transitions. [2021-11-25 06:41:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 584 transitions. [2021-11-25 06:41:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:14,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:14,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:14,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:41:14,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:14,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:14,502 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 06:41:14,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:15,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:15,078 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:15,078 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:15,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:15,545 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:15,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 209 states and 590 transitions. [2021-11-25 06:41:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 590 transitions. [2021-11-25 06:41:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:15,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:15,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:15,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:41:15,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:15,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:15,804 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:15,804 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:15,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:15,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:16,292 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:16,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 211 states and 596 transitions. [2021-11-25 06:41:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 596 transitions. [2021-11-25 06:41:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:16,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:16,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:16,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:41:16,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:16,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:16,433 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 8 treesize of output 7 [2021-11-25 06:41:16,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:17,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:17,068 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:17,069 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:17,078 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 18 treesize of output 3 [2021-11-25 06:41:17,496 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:17,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:17,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 213 states and 602 transitions. [2021-11-25 06:41:17,557 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 602 transitions. [2021-11-25 06:41:17,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:17,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:17,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:17,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:41:17,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:17,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:17,818 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:17,818 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:17,856 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 18 treesize of output 3 [2021-11-25 06:41:18,323 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:18,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:18,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 215 states and 608 transitions. [2021-11-25 06:41:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 608 transitions. [2021-11-25 06:41:18,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:18,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:18,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:18,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:18,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:18,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:18,598 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:18,598 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:18,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:19,026 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:19,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 217 states and 614 transitions. [2021-11-25 06:41:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 614 transitions. [2021-11-25 06:41:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:19,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:19,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:19,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 06:41:19,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:19,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:19,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:41:19,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:20,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:20,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:41:20,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:41:20,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:41:20,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:41:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:20,145 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 59 [2021-11-25 06:41:20,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:20,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2021-11-25 06:41:20,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:41:20,534 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:41:20,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 26 [2021-11-25 06:41:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:21,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 219 states and 620 transitions. [2021-11-25 06:41:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 620 transitions. [2021-11-25 06:41:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:21,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:21,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:21,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:41:21,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:21,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:41:21,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:21,180 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 13 treesize of output 12 [2021-11-25 06:41:21,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:21,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:21,600 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:21,600 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:21,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:21,677 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 18 treesize of output 3 [2021-11-25 06:41:22,129 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:22,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 221 states and 626 transitions. [2021-11-25 06:41:22,172 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 626 transitions. [2021-11-25 06:41:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:22,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:22,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:22,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:22,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:22,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:22,271 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 8 treesize of output 7 [2021-11-25 06:41:22,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:22,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:22,704 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:22,704 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:22,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:22,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:23,238 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:23,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 223 states and 632 transitions. [2021-11-25 06:41:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 632 transitions. [2021-11-25 06:41:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:23,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:23,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:23,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:41:23,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:23,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:23,535 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:23,535 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:23,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:24,006 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:24,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 225 states and 638 transitions. [2021-11-25 06:41:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 638 transitions. [2021-11-25 06:41:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:24,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:24,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:24,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:24,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:24,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:41:24,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:24,158 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 13 treesize of output 12 [2021-11-25 06:41:24,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:24,571 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:24,571 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:24,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:24,620 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 18 treesize of output 3 [2021-11-25 06:41:25,082 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:25,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 227 states and 644 transitions. [2021-11-25 06:41:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 644 transitions. [2021-11-25 06:41:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:25,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:25,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:25,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:41:25,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:25,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:25,349 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:25,349 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:25,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:25,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:25,880 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:25,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:25,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 229 states and 650 transitions. [2021-11-25 06:41:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 650 transitions. [2021-11-25 06:41:25,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:25,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:25,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:25,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:41:25,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:26,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:26,141 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:26,142 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:26,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:26,205 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 18 treesize of output 3 [2021-11-25 06:41:26,647 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:26,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 231 states and 656 transitions. [2021-11-25 06:41:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 656 transitions. [2021-11-25 06:41:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:26,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:26,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:26,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:41:26,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:26,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:26,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:26,809 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 8 treesize of output 7 [2021-11-25 06:41:27,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:27,284 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:27,284 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:27,309 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 18 treesize of output 3 [2021-11-25 06:41:27,795 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:27,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 233 states and 662 transitions. [2021-11-25 06:41:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 662 transitions. [2021-11-25 06:41:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:27,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:27,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:27,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:41:27,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:28,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:28,112 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:28,113 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:28,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:28,153 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 18 treesize of output 3 [2021-11-25 06:41:28,612 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:28,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 235 states and 668 transitions. [2021-11-25 06:41:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 668 transitions. [2021-11-25 06:41:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:28,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:28,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:28,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:28,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:28,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:28,740 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 8 treesize of output 7 [2021-11-25 06:41:28,747 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 8 treesize of output 7 [2021-11-25 06:41:29,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:29,319 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:29,319 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:29,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:29,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:29,808 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:29,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 237 states and 674 transitions. [2021-11-25 06:41:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 674 transitions. [2021-11-25 06:41:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:29,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:29,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:29,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:29,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:29,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:29,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:29,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:41:30,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:30,376 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:30,376 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:30,410 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:30,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:30,932 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:30,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 239 states and 680 transitions. [2021-11-25 06:41:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 680 transitions. [2021-11-25 06:41:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:30,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:30,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:31,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:31,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:31,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:31,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:31,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:31,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:31,578 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:31,579 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:31,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:31,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:32,093 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:32,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:32,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 241 states and 686 transitions. [2021-11-25 06:41:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 686 transitions. [2021-11-25 06:41:32,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:32,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:32,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:32,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:32,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:32,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:32,368 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:32,369 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:32,399 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 18 treesize of output 3 [2021-11-25 06:41:32,898 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:32,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 243 states and 692 transitions. [2021-11-25 06:41:32,943 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 692 transitions. [2021-11-25 06:41:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:32,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:32,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:32,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:32,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:33,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:33,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:33,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:33,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:33,467 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:33,467 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:33,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:33,952 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:33,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 245 states and 698 transitions. [2021-11-25 06:41:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 698 transitions. [2021-11-25 06:41:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:33,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:33,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:34,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:41:34,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:34,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:34,221 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:34,222 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:34,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:34,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:34,756 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:34,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 247 states and 704 transitions. [2021-11-25 06:41:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 704 transitions. [2021-11-25 06:41:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:34,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:34,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:34,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:34,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:34,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:34,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:41:34,904 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 8 treesize of output 7 [2021-11-25 06:41:35,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:35,591 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:35,592 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:35,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:35,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:36,127 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:36,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 249 states and 710 transitions. [2021-11-25 06:41:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 710 transitions. [2021-11-25 06:41:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:36,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:36,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:36,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:41:36,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:36,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:36,405 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:36,405 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:36,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:36,951 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:36,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 251 states and 716 transitions. [2021-11-25 06:41:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 716 transitions. [2021-11-25 06:41:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:37,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:37,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:37,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:41:37,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:37,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:37,322 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:37,322 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:37,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:37,904 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:37,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 253 states and 722 transitions. [2021-11-25 06:41:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 722 transitions. [2021-11-25 06:41:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:37,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:37,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:37,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:37,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:38,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:38,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:38,050 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 8 treesize of output 7 [2021-11-25 06:41:38,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:38,485 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:38,485 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:38,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:38,538 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 18 treesize of output 3 [2021-11-25 06:41:39,026 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:39,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 255 states and 728 transitions. [2021-11-25 06:41:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 728 transitions. [2021-11-25 06:41:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:39,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:39,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:39,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:39,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:39,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:39,317 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:39,317 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:39,357 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 18 treesize of output 3 [2021-11-25 06:41:39,917 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:39,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 257 states and 734 transitions. [2021-11-25 06:41:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 734 transitions. [2021-11-25 06:41:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:39,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:39,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:40,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:40,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:40,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:40,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:40,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:40,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:40,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:40,699 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:40,699 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:40,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:40,768 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 18 treesize of output 3 [2021-11-25 06:41:41,269 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:41,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:41,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 259 states and 740 transitions. [2021-11-25 06:41:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 740 transitions. [2021-11-25 06:41:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:41,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:41,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:41,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:41:41,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:41,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:41,553 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:41,553 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:41,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:42,131 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:42,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 261 states and 746 transitions. [2021-11-25 06:41:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 746 transitions. [2021-11-25 06:41:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:42,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:42,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:42,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:42,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:42,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:42,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:42,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:42,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:42,823 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:42,823 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:42,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:42,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:43,431 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:43,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 263 states and 752 transitions. [2021-11-25 06:41:43,486 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 752 transitions. [2021-11-25 06:41:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:43,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:43,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:43,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:43,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:43,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:43,721 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:43,721 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:43,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:43,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:44,294 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:44,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 265 states and 758 transitions. [2021-11-25 06:41:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 758 transitions. [2021-11-25 06:41:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:44,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:44,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:44,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:41:44,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:44,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:44,587 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:44,587 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:44,621 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:44,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:45,174 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:45,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 267 states and 764 transitions. [2021-11-25 06:41:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 764 transitions. [2021-11-25 06:41:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:45,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:45,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:45,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:41:45,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:45,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:45,315 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 8 treesize of output 7 [2021-11-25 06:41:45,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:45,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:45,955 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:45,956 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:45,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:45,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:46,563 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:46,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 269 states and 770 transitions. [2021-11-25 06:41:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 770 transitions. [2021-11-25 06:41:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:46,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:46,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:46,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:41:46,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:46,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:46,845 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:46,845 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:46,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:47,456 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:47,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 271 states and 776 transitions. [2021-11-25 06:41:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 776 transitions. [2021-11-25 06:41:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:47,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:47,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:47,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:41:47,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:47,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:47,772 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:47,772 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:47,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:47,854 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 18 treesize of output 3 [2021-11-25 06:41:48,401 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:48,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 273 states and 782 transitions. [2021-11-25 06:41:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 782 transitions. [2021-11-25 06:41:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:48,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:48,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:48,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:41:48,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:48,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:48,730 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:48,731 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:48,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:48,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:49,341 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:49,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 275 states and 788 transitions. [2021-11-25 06:41:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 788 transitions. [2021-11-25 06:41:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:49,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:49,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:49,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:41:49,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:49,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:49,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:49,641 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:49,641 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:49,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:49,716 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 18 treesize of output 3 [2021-11-25 06:41:50,246 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:50,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 277 states and 794 transitions. [2021-11-25 06:41:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 794 transitions. [2021-11-25 06:41:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:50,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:50,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:50,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:50,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:50,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:50,532 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:50,533 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:50,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:50,567 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 18 treesize of output 3 [2021-11-25 06:41:51,123 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:51,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 279 states and 800 transitions. [2021-11-25 06:41:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 800 transitions. [2021-11-25 06:41:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:51,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:51,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:51,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:51,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:51,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:51,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:51,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:51,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:51,757 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:51,757 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:51,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:52,374 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:52,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 281 states and 806 transitions. [2021-11-25 06:41:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 806 transitions. [2021-11-25 06:41:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:52,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:52,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:52,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:41:52,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:52,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:52,658 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:52,658 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:52,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:53,261 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:53,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 283 states and 812 transitions. [2021-11-25 06:41:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 812 transitions. [2021-11-25 06:41:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:53,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:53,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:53,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:53,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:53,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:53,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:41:53,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:54,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:41:54,097 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:54,097 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:54,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:54,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:54,710 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:54,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 285 states and 818 transitions. [2021-11-25 06:41:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 818 transitions. [2021-11-25 06:41:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:54,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:54,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:54,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:41:54,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:54,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:54,995 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:54,995 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:55,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:55,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:55,651 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:55,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 287 states and 824 transitions. [2021-11-25 06:41:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 824 transitions. [2021-11-25 06:41:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:55,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:55,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:55,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:41:55,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:55,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:55,943 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:55,943 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:55,954 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 18 treesize of output 3 [2021-11-25 06:41:56,529 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:56,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 289 states and 830 transitions. [2021-11-25 06:41:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 830 transitions. [2021-11-25 06:41:56,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:56,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:56,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:56,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:41:56,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:56,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:41:56,818 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:41:56,819 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:41:56,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:56,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:41:57,426 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:57,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 291 states and 836 transitions. [2021-11-25 06:41:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 836 transitions. [2021-11-25 06:41:57,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:57,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:57,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:57,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:57,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:57,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:57,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:57,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:58,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:58,046 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:58,047 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:58,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:58,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:41:58,709 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:41:58,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:41:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 293 states and 842 transitions. [2021-11-25 06:41:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 842 transitions. [2021-11-25 06:41:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:58,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:58,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:58,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:41:58,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:58,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:41:58,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:41:58,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:59,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:41:59,382 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:41:59,382 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:41:59,405 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:41:59,473 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 18 treesize of output 3 [2021-11-25 06:42:00,098 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:00,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:00,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 295 states and 848 transitions. [2021-11-25 06:42:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 848 transitions. [2021-11-25 06:42:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:00,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:00,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:00,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:00,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:00,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:00,413 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:00,413 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:00,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:01,119 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:01,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:01,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 297 states and 854 transitions. [2021-11-25 06:42:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 854 transitions. [2021-11-25 06:42:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:01,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:01,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:01,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:42:01,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:01,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:01,425 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:01,425 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:01,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:01,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:02,153 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:02,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 299 states and 860 transitions. [2021-11-25 06:42:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 860 transitions. [2021-11-25 06:42:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:02,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:02,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:02,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:02,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:02,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:02,472 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:02,472 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:02,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:03,136 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:03,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 301 states and 866 transitions. [2021-11-25 06:42:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 866 transitions. [2021-11-25 06:42:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:03,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:03,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:03,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:03,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:03,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:03,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:03,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:03,964 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:03,965 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:03,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:04,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:04,668 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:04,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 303 states and 872 transitions. [2021-11-25 06:42:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 872 transitions. [2021-11-25 06:42:04,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:04,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:04,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:04,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:04,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:04,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:04,996 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:04,996 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:05,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:05,071 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 18 treesize of output 3 [2021-11-25 06:42:05,709 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:05,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 305 states and 878 transitions. [2021-11-25 06:42:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 878 transitions. [2021-11-25 06:42:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:05,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:05,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:05,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:42:05,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:06,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:06,075 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:06,075 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:06,083 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 18 treesize of output 3 [2021-11-25 06:42:06,754 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:06,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 307 states and 884 transitions. [2021-11-25 06:42:06,800 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 884 transitions. [2021-11-25 06:42:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:06,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:06,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:06,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:06,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:07,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:07,158 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:07,160 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:07,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:07,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:07,948 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:07,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:07,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 309 states and 890 transitions. [2021-11-25 06:42:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 890 transitions. [2021-11-25 06:42:07,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:07,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:07,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:08,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:08,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:08,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:08,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:08,095 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 8 treesize of output 7 [2021-11-25 06:42:08,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:08,620 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:08,620 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:08,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:09,334 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:09,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 311 states and 896 transitions. [2021-11-25 06:42:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 896 transitions. [2021-11-25 06:42:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:09,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:09,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:09,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:42:09,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:09,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:09,716 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:09,716 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:09,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:09,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:10,498 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:10,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 313 states and 902 transitions. [2021-11-25 06:42:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 902 transitions. [2021-11-25 06:42:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:10,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:10,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:10,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:10,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:10,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:10,809 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:10,810 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:10,823 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:10,847 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 18 treesize of output 3 [2021-11-25 06:42:11,510 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:11,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 315 states and 908 transitions. [2021-11-25 06:42:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 908 transitions. [2021-11-25 06:42:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:11,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:11,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:11,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:42:11,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:11,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:11,850 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:11,851 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:11,893 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 18 treesize of output 3 [2021-11-25 06:42:12,593 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:12,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 317 states and 914 transitions. [2021-11-25 06:42:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 914 transitions. [2021-11-25 06:42:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:12,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:12,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:12,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:42:12,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:12,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:12,924 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:12,924 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:12,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:13,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:13,686 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:13,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 319 states and 920 transitions. [2021-11-25 06:42:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 920 transitions. [2021-11-25 06:42:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:13,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:13,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:13,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:42:13,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:13,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:42:13,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:42:13,839 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 13 treesize of output 12 [2021-11-25 06:42:14,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:42:14,607 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:14,607 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:14,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:14,688 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 18 treesize of output 3 [2021-11-25 06:42:15,347 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:15,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 321 states and 926 transitions. [2021-11-25 06:42:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 926 transitions. [2021-11-25 06:42:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:15,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:15,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:15,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:42:15,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:15,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:15,723 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:15,723 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:15,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:16,461 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:16,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 323 states and 932 transitions. [2021-11-25 06:42:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 932 transitions. [2021-11-25 06:42:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:16,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:16,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:16,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:16,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:16,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:16,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:42:16,597 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 8 treesize of output 7 [2021-11-25 06:42:17,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:17,401 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:17,401 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:17,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:17,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:18,164 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:18,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 325 states and 938 transitions. [2021-11-25 06:42:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 938 transitions. [2021-11-25 06:42:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:18,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:18,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:18,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:18,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:18,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:18,299 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 8 treesize of output 7 [2021-11-25 06:42:18,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:42:19,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:19,052 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:19,052 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:19,070 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 18 treesize of output 3 [2021-11-25 06:42:19,765 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:19,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:19,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 327 states and 944 transitions. [2021-11-25 06:42:19,811 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 944 transitions. [2021-11-25 06:42:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:19,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:19,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:19,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:19,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:20,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:20,085 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:20,085 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:20,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:20,162 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 18 treesize of output 3 [2021-11-25 06:42:20,883 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:20,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 329 states and 950 transitions. [2021-11-25 06:42:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 950 transitions. [2021-11-25 06:42:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:20,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:20,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:20,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:20,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:21,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:21,016 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 8 treesize of output 7 [2021-11-25 06:42:21,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:21,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:21,783 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:21,783 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:21,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:21,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:22,536 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:22,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:22,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 331 states and 956 transitions. [2021-11-25 06:42:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 956 transitions. [2021-11-25 06:42:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:22,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:22,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:22,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:42:22,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:22,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:42:22,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:22,704 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 13 treesize of output 12 [2021-11-25 06:42:23,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:42:23,315 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:23,315 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:23,332 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 18 treesize of output 3 [2021-11-25 06:42:24,111 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:24,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 333 states and 962 transitions. [2021-11-25 06:42:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 962 transitions. [2021-11-25 06:42:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:24,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:24,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:24,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:42:24,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:24,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:24,454 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:24,454 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:24,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:25,288 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:25,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 335 states and 968 transitions. [2021-11-25 06:42:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 968 transitions. [2021-11-25 06:42:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:25,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:25,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:25,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:42:25,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:25,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:25,704 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:25,704 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:25,722 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 18 treesize of output 3 [2021-11-25 06:42:26,550 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:26,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 337 states and 974 transitions. [2021-11-25 06:42:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 974 transitions. [2021-11-25 06:42:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:26,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:26,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:26,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:26,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:26,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:26,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:26,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:42:27,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:27,554 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:27,554 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:27,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:28,344 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:28,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 339 states and 980 transitions. [2021-11-25 06:42:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 980 transitions. [2021-11-25 06:42:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:28,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:28,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:28,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:42:28,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:28,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:28,721 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:28,721 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:28,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:28,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:29,593 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:29,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 341 states and 986 transitions. [2021-11-25 06:42:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 986 transitions. [2021-11-25 06:42:29,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:29,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:29,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:29,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:29,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:29,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:29,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:29,754 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 8 treesize of output 7 [2021-11-25 06:42:30,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:30,367 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:30,367 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:30,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:30,461 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 18 treesize of output 3 [2021-11-25 06:42:31,238 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:31,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 343 states and 992 transitions. [2021-11-25 06:42:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 992 transitions. [2021-11-25 06:42:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:31,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:31,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:31,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:31,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:31,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:31,390 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 8 treesize of output 7 [2021-11-25 06:42:31,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:42:32,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:32,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:42:32,267 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:32,267 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:32,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:33,043 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:33,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 345 states and 998 transitions. [2021-11-25 06:42:33,088 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 998 transitions. [2021-11-25 06:42:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:33,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:33,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:33,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:33,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:33,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:33,175 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 8 treesize of output 7 [2021-11-25 06:42:33,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:33,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:34,018 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:34,019 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:34,070 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 18 treesize of output 3 [2021-11-25 06:42:34,844 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:34,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 347 states and 1004 transitions. [2021-11-25 06:42:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1004 transitions. [2021-11-25 06:42:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:34,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:34,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:34,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:42:34,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:35,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:35,166 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:35,166 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:35,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:35,275 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 18 treesize of output 3 [2021-11-25 06:42:36,000 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:36,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:36,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 349 states and 1010 transitions. [2021-11-25 06:42:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1010 transitions. [2021-11-25 06:42:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:36,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:36,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:36,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:42:36,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:36,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:36,335 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:36,335 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:36,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:36,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:37,237 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:37,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:37,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 351 states and 1016 transitions. [2021-11-25 06:42:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1016 transitions. [2021-11-25 06:42:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:37,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:37,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:37,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:42:37,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:37,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:37,582 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:37,582 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:37,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:38,387 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:38,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 353 states and 1022 transitions. [2021-11-25 06:42:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1022 transitions. [2021-11-25 06:42:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:38,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:38,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:38,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:38,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:38,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:38,520 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 8 treesize of output 7 [2021-11-25 06:42:38,526 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:39,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:39,096 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:39,097 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:39,111 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 18 treesize of output 3 [2021-11-25 06:42:39,895 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:39,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 355 states and 1028 transitions. [2021-11-25 06:42:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1028 transitions. [2021-11-25 06:42:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:39,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:39,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:39,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:39,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:40,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:40,225 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:40,225 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:40,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:41,011 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:41,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 357 states and 1034 transitions. [2021-11-25 06:42:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1034 transitions. [2021-11-25 06:42:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:41,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:41,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:41,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:41,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:41,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:41,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:41,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:41,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:41,717 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:41,717 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:41,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:42,497 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:42,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 359 states and 1040 transitions. [2021-11-25 06:42:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1040 transitions. [2021-11-25 06:42:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:42,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:42,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:42,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:42,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:42,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:42,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:42,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:43,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:43,450 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:43,450 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:43,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:43,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:44,350 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:44,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 361 states and 1046 transitions. [2021-11-25 06:42:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1046 transitions. [2021-11-25 06:42:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:44,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:44,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:44,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:44,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:44,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:44,690 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:44,690 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:44,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:44,787 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 18 treesize of output 3 [2021-11-25 06:42:45,546 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:45,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 363 states and 1052 transitions. [2021-11-25 06:42:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1052 transitions. [2021-11-25 06:42:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:45,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:45,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:45,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:45,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:45,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:45,885 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:45,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:45,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:46,661 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:46,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 365 states and 1058 transitions. [2021-11-25 06:42:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1058 transitions. [2021-11-25 06:42:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:46,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:46,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:46,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:46,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:46,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:46,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:46,803 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 8 treesize of output 7 [2021-11-25 06:42:47,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:47,407 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:47,407 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:47,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:47,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:42:48,284 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:48,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 367 states and 1064 transitions. [2021-11-25 06:42:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1064 transitions. [2021-11-25 06:42:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:48,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:48,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:48,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:42:48,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:48,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:48,675 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:48,675 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:48,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:48,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:49,523 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:49,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 369 states and 1070 transitions. [2021-11-25 06:42:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1070 transitions. [2021-11-25 06:42:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:49,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:49,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:49,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:42:49,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:49,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:49,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:49,678 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 8 treesize of output 7 [2021-11-25 06:42:50,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:42:50,244 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:50,244 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:50,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:50,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:51,108 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:51,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 371 states and 1076 transitions. [2021-11-25 06:42:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1076 transitions. [2021-11-25 06:42:51,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:51,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:51,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:51,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:51,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:51,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:51,466 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:51,466 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:51,521 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 18 treesize of output 3 [2021-11-25 06:42:52,339 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:52,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 373 states and 1082 transitions. [2021-11-25 06:42:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1082 transitions. [2021-11-25 06:42:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:52,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:52,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:52,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:52,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:52,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:52,754 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:52,755 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:52,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:52,845 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 18 treesize of output 3 [2021-11-25 06:42:53,610 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:53,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:53,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 375 states and 1088 transitions. [2021-11-25 06:42:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1088 transitions. [2021-11-25 06:42:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:53,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:53,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:53,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:53,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:53,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:42:53,751 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 13 treesize of output 12 [2021-11-25 06:42:53,770 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 13 treesize of output 12 [2021-11-25 06:42:54,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:54,368 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:54,368 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:42:54,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:54,450 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 18 treesize of output 3 [2021-11-25 06:42:55,270 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:55,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 377 states and 1094 transitions. [2021-11-25 06:42:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1094 transitions. [2021-11-25 06:42:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:55,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:55,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:55,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:42:55,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:55,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:55,663 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:55,664 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:55,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:56,535 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:56,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 379 states and 1100 transitions. [2021-11-25 06:42:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1100 transitions. [2021-11-25 06:42:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:56,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:56,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:56,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:56,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:56,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:56,898 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:56,898 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:56,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:42:56,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:57,788 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:57,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 381 states and 1106 transitions. [2021-11-25 06:42:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1106 transitions. [2021-11-25 06:42:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:57,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:57,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:57,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:42:57,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:58,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:42:58,130 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:42:58,130 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:42:58,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:42:58,987 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:42:58,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:42:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 383 states and 1112 transitions. [2021-11-25 06:42:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1112 transitions. [2021-11-25 06:42:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:59,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:59,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:59,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 06:42:59,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:59,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:42:59,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:42:59,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:42:59,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:42:59,998 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:42:59,998 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:00,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:00,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:00,879 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:00,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:00,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 385 states and 1118 transitions. [2021-11-25 06:43:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1118 transitions. [2021-11-25 06:43:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:00,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:00,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:00,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:43:00,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:01,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:01,044 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 8 treesize of output 7 [2021-11-25 06:43:01,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:01,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:01,677 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:01,678 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:01,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:01,726 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 18 treesize of output 3 [2021-11-25 06:43:02,520 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:02,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 387 states and 1124 transitions. [2021-11-25 06:43:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1124 transitions. [2021-11-25 06:43:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:02,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:02,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:02,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 06:43:02,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:02,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:02,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:02,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:43:03,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:03,330 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:03,330 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:03,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:03,375 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 18 treesize of output 3 [2021-11-25 06:43:04,164 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:04,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 389 states and 1130 transitions. [2021-11-25 06:43:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1130 transitions. [2021-11-25 06:43:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:04,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:04,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:04,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:43:04,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:04,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:04,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:43:04,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:04,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:04,912 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:04,912 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:04,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:04,957 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 18 treesize of output 3 [2021-11-25 06:43:05,757 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:05,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 391 states and 1136 transitions. [2021-11-25 06:43:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1136 transitions. [2021-11-25 06:43:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:05,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:05,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:05,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 06:43:05,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:05,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:05,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:05,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:43:06,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:06,519 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:06,519 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:06,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:07,407 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:07,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 393 states and 1142 transitions. [2021-11-25 06:43:07,455 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1142 transitions. [2021-11-25 06:43:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:07,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:07,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:07,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:43:07,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:07,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:07,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:43:07,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:08,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:08,149 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:08,149 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:08,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:08,199 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 18 treesize of output 3 [2021-11-25 06:43:09,061 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:09,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 395 states and 1148 transitions. [2021-11-25 06:43:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 1148 transitions. [2021-11-25 06:43:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:09,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:09,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:09,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:43:09,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:09,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:09,205 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 8 treesize of output 7 [2021-11-25 06:43:09,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:43:10,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:10,079 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:10,079 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:10,105 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 18 treesize of output 3 [2021-11-25 06:43:10,943 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:10,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 397 states and 1154 transitions. [2021-11-25 06:43:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1154 transitions. [2021-11-25 06:43:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:10,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:10,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:11,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:43:11,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:11,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:11,301 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:11,301 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:11,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:11,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:43:12,250 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:12,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 399 states and 1160 transitions. [2021-11-25 06:43:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1160 transitions. [2021-11-25 06:43:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:12,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:12,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:12,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:43:12,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:12,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:12,422 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 8 treesize of output 7 [2021-11-25 06:43:12,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:43:13,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:13,316 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:13,317 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:13,375 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 18 treesize of output 3 [2021-11-25 06:43:14,269 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:14,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 401 states and 1166 transitions. [2021-11-25 06:43:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1166 transitions. [2021-11-25 06:43:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:14,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:14,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:14,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:43:14,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:14,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:14,422 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 8 treesize of output 7 [2021-11-25 06:43:14,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:43:15,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:15,279 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:15,279 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:15,321 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 18 treesize of output 3 [2021-11-25 06:43:16,188 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:16,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 403 states and 1172 transitions. [2021-11-25 06:43:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1172 transitions. [2021-11-25 06:43:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:16,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:16,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:16,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:43:16,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:16,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:16,556 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:16,557 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:16,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:17,474 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:17,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:17,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 405 states and 1178 transitions. [2021-11-25 06:43:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1178 transitions. [2021-11-25 06:43:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:17,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:17,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:17,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:43:17,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:17,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:17,820 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:17,820 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:17,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:17,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:18,738 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:18,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 407 states and 1184 transitions. [2021-11-25 06:43:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1184 transitions. [2021-11-25 06:43:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:18,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:18,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:18,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:43:18,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:18,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:18,871 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 8 treesize of output 7 [2021-11-25 06:43:18,879 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 8 treesize of output 7 [2021-11-25 06:43:19,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:19,767 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:19,768 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:19,842 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 18 treesize of output 3 [2021-11-25 06:43:20,680 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:20,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 409 states and 1190 transitions. [2021-11-25 06:43:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 1190 transitions. [2021-11-25 06:43:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:20,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:20,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:20,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:43:20,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:20,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:21,039 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:21,039 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:21,091 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 18 treesize of output 3 [2021-11-25 06:43:21,915 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:21,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 411 states and 1196 transitions. [2021-11-25 06:43:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1196 transitions. [2021-11-25 06:43:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:21,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:21,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:22,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:43:22,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:22,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:22,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:43:22,057 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 06:43:22,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:22,969 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:22,969 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:23,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:43:23,940 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:23,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 413 states and 1202 transitions. [2021-11-25 06:43:23,988 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1202 transitions. [2021-11-25 06:43:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:23,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:23,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:24,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:43:24,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:24,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:24,305 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:24,305 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:24,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:24,410 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 18 treesize of output 3 [2021-11-25 06:43:25,278 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:25,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 415 states and 1208 transitions. [2021-11-25 06:43:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 1208 transitions. [2021-11-25 06:43:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:25,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:25,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:25,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:25,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:25,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:25,635 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:25,635 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:25,668 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 18 treesize of output 3 [2021-11-25 06:43:26,558 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:26,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 417 states and 1214 transitions. [2021-11-25 06:43:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 1214 transitions. [2021-11-25 06:43:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:26,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:26,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:26,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:26,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:26,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:26,903 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:26,903 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:26,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:27,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:27,953 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:27,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 419 states and 1220 transitions. [2021-11-25 06:43:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1220 transitions. [2021-11-25 06:43:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:28,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:28,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:28,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:43:28,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:28,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:28,335 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:28,336 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:28,365 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:28,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:29,318 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:29,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 421 states and 1226 transitions. [2021-11-25 06:43:29,364 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1226 transitions. [2021-11-25 06:43:29,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:29,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:29,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:29,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:43:29,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:29,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:29,454 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 8 treesize of output 7 [2021-11-25 06:43:29,466 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 8 treesize of output 7 [2021-11-25 06:43:30,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:30,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:30,069 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:30,069 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:30,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:30,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:31,006 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:31,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 423 states and 1232 transitions. [2021-11-25 06:43:31,052 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1232 transitions. [2021-11-25 06:43:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:31,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:31,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:31,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:43:31,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:31,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:31,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:43:31,146 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 8 treesize of output 7 [2021-11-25 06:43:32,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:32,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:32,062 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:32,063 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:32,101 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 18 treesize of output 3 [2021-11-25 06:43:32,980 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:32,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 425 states and 1238 transitions. [2021-11-25 06:43:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 1238 transitions. [2021-11-25 06:43:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:33,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:33,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:33,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:33,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:33,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:33,346 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:33,346 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:33,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:34,290 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:34,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:34,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 427 states and 1244 transitions. [2021-11-25 06:43:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1244 transitions. [2021-11-25 06:43:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:34,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:34,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:34,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:43:34,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:34,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:34,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:34,440 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 8 treesize of output 7 [2021-11-25 06:43:35,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:35,100 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:35,100 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:35,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:36,052 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:36,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 429 states and 1250 transitions. [2021-11-25 06:43:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1250 transitions. [2021-11-25 06:43:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:36,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:36,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:36,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:43:36,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:36,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:36,426 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:36,426 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:36,443 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 18 treesize of output 3 [2021-11-25 06:43:37,356 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:37,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 431 states and 1256 transitions. [2021-11-25 06:43:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1256 transitions. [2021-11-25 06:43:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:37,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:37,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:37,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:43:37,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:37,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:37,488 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 8 treesize of output 7 [2021-11-25 06:43:37,496 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 8 treesize of output 7 [2021-11-25 06:43:38,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:38,421 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:38,421 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:38,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:39,314 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:39,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 433 states and 1262 transitions. [2021-11-25 06:43:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1262 transitions. [2021-11-25 06:43:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:39,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:39,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:39,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:39,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:39,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:39,655 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:39,655 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:39,665 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 18 treesize of output 3 [2021-11-25 06:43:40,555 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:40,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 435 states and 1268 transitions. [2021-11-25 06:43:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1268 transitions. [2021-11-25 06:43:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:40,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:40,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:40,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:40,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:40,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:40,898 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:40,898 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:40,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:40,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:41,815 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:41,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 437 states and 1274 transitions. [2021-11-25 06:43:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1274 transitions. [2021-11-25 06:43:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:41,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:41,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:41,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:43:41,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:42,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:42,155 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:42,155 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:42,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:42,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:43,153 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:43,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 439 states and 1280 transitions. [2021-11-25 06:43:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1280 transitions. [2021-11-25 06:43:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:43,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:43,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:43,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:43:43,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:43,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:43,524 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:43,524 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:43,554 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:43,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:44,554 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:44,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 441 states and 1286 transitions. [2021-11-25 06:43:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1286 transitions. [2021-11-25 06:43:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:44,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:44,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:44,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:43:44,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:44,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:44,931 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:44,932 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:44,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:45,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:43:45,977 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:45,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 443 states and 1292 transitions. [2021-11-25 06:43:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1292 transitions. [2021-11-25 06:43:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:46,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:46,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:46,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:43:46,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:46,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:46,329 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:46,329 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:46,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:46,440 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 18 treesize of output 3 [2021-11-25 06:43:47,329 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:47,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 445 states and 1298 transitions. [2021-11-25 06:43:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1298 transitions. [2021-11-25 06:43:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:47,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:47,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:47,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:47,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:47,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:47,711 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:47,711 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:47,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:47,844 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 18 treesize of output 3 [2021-11-25 06:43:48,713 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:48,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 447 states and 1304 transitions. [2021-11-25 06:43:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1304 transitions. [2021-11-25 06:43:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:48,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:48,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:48,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:43:48,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:49,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:49,071 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:49,072 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:49,083 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 18 treesize of output 3 [2021-11-25 06:43:49,987 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:49,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 449 states and 1310 transitions. [2021-11-25 06:43:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 1310 transitions. [2021-11-25 06:43:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:50,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:50,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:50,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:43:50,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:50,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:50,334 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:50,334 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:50,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:50,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:51,275 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:51,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 451 states and 1316 transitions. [2021-11-25 06:43:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1316 transitions. [2021-11-25 06:43:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:51,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:51,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:51,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:43:51,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:51,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:51,633 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:51,633 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:51,645 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 18 treesize of output 3 [2021-11-25 06:43:52,542 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:52,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 453 states and 1322 transitions. [2021-11-25 06:43:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1322 transitions. [2021-11-25 06:43:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:52,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:52,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:52,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:52,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:52,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:52,902 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:52,902 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:52,972 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 18 treesize of output 3 [2021-11-25 06:43:53,909 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:53,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 455 states and 1328 transitions. [2021-11-25 06:43:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1328 transitions. [2021-11-25 06:43:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:53,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:53,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:53,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:43:53,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:54,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:43:54,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:54,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:43:54,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:43:54,694 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:43:54,694 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:43:54,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:55,710 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:55,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 457 states and 1334 transitions. [2021-11-25 06:43:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1334 transitions. [2021-11-25 06:43:55,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:55,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:55,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:55,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:43:55,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:56,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:56,072 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:56,073 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:56,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:56,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:57,118 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:57,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 459 states and 1340 transitions. [2021-11-25 06:43:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1340 transitions. [2021-11-25 06:43:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:57,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:57,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:57,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:43:57,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:57,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:57,492 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:57,493 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:57,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:57,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:43:58,522 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:58,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 461 states and 1346 transitions. [2021-11-25 06:43:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1346 transitions. [2021-11-25 06:43:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:58,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:58,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:58,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:43:58,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:58,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:43:58,890 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:43:58,890 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:43:58,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:58,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:43:59,911 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:43:59,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:43:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 463 states and 1352 transitions. [2021-11-25 06:43:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1352 transitions. [2021-11-25 06:43:59,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:43:59,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:59,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:59,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:43:59,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:00,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:00,300 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:00,301 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:00,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:01,302 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:01,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 465 states and 1358 transitions. [2021-11-25 06:44:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1358 transitions. [2021-11-25 06:44:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:01,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:01,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:01,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:44:01,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:01,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:01,669 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:01,670 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:01,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:01,791 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 18 treesize of output 3 [2021-11-25 06:44:02,719 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:02,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 467 states and 1364 transitions. [2021-11-25 06:44:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1364 transitions. [2021-11-25 06:44:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:02,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:02,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:02,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:44:02,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:02,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:44:02,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:44:02,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:44:03,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:03,900 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:03,900 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:03,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:04,925 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:04,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 469 states and 1370 transitions. [2021-11-25 06:44:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1370 transitions. [2021-11-25 06:44:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:04,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:04,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:05,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:44:05,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:05,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:05,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:05,075 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 8 treesize of output 7 [2021-11-25 06:44:05,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:05,865 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:05,865 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:05,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:05,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:44:06,884 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:06,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 471 states and 1376 transitions. [2021-11-25 06:44:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1376 transitions. [2021-11-25 06:44:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:06,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:06,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:06,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:44:07,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:07,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:07,052 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 8 treesize of output 7 [2021-11-25 06:44:07,062 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 8 treesize of output 7 [2021-11-25 06:44:08,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:08,063 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:08,063 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:08,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:08,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:09,203 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:09,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 473 states and 1382 transitions. [2021-11-25 06:44:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1382 transitions. [2021-11-25 06:44:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:09,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:09,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:09,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:44:09,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:09,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:09,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:09,353 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 8 treesize of output 7 [2021-11-25 06:44:09,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:09,967 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:09,967 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:10,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:10,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:11,036 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:11,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 475 states and 1388 transitions. [2021-11-25 06:44:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1388 transitions. [2021-11-25 06:44:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:11,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:11,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:11,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:44:11,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:11,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:11,402 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:11,402 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:11,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:11,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:12,393 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:12,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 477 states and 1394 transitions. [2021-11-25 06:44:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1394 transitions. [2021-11-25 06:44:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:12,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:12,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:12,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:44:12,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:12,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:12,532 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 8 treesize of output 7 [2021-11-25 06:44:12,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:44:13,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:13,467 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:13,467 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:13,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:13,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:14,476 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:14,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 479 states and 1400 transitions. [2021-11-25 06:44:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1400 transitions. [2021-11-25 06:44:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:14,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:14,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:14,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:14,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:14,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:14,629 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 8 treesize of output 7 [2021-11-25 06:44:14,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:15,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:15,311 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:15,312 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:15,398 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 18 treesize of output 3 [2021-11-25 06:44:16,389 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:16,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 481 states and 1406 transitions. [2021-11-25 06:44:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1406 transitions. [2021-11-25 06:44:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:16,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:16,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:16,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:44:16,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:16,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:16,918 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:16,918 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:16,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:44:18,019 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:18,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 483 states and 1412 transitions. [2021-11-25 06:44:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1412 transitions. [2021-11-25 06:44:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:18,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:18,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:18,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:44:18,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:18,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:18,394 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:18,394 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:18,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:19,503 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:19,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 485 states and 1418 transitions. [2021-11-25 06:44:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1418 transitions. [2021-11-25 06:44:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:19,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:19,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:19,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:44:19,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:19,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:44:19,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:44:19,666 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 13 treesize of output 12 [2021-11-25 06:44:20,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:20,291 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:20,291 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:20,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:21,335 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:21,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 487 states and 1424 transitions. [2021-11-25 06:44:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1424 transitions. [2021-11-25 06:44:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:21,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:21,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:21,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:21,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:21,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:21,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:21,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:22,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:22,163 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:22,163 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:22,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:23,280 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:23,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:23,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 489 states and 1430 transitions. [2021-11-25 06:44:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1430 transitions. [2021-11-25 06:44:23,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:23,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:23,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:23,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:44:23,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:23,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:23,672 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:23,673 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:23,743 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 18 treesize of output 3 [2021-11-25 06:44:24,761 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:24,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 491 states and 1436 transitions. [2021-11-25 06:44:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1436 transitions. [2021-11-25 06:44:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:24,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:24,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:24,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:24,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:24,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:24,893 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 8 treesize of output 7 [2021-11-25 06:44:24,902 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 8 treesize of output 7 [2021-11-25 06:44:25,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:25,882 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:25,882 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:25,900 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 18 treesize of output 3 [2021-11-25 06:44:26,977 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:26,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 493 states and 1442 transitions. [2021-11-25 06:44:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1442 transitions. [2021-11-25 06:44:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:27,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:27,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:27,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:44:27,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:27,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:27,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:27,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:28,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:28,143 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:28,143 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:28,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:44:29,250 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:29,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 495 states and 1448 transitions. [2021-11-25 06:44:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1448 transitions. [2021-11-25 06:44:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:29,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:29,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:29,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:44:29,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:29,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:29,626 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:29,627 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:29,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:30,697 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:30,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 497 states and 1454 transitions. [2021-11-25 06:44:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1454 transitions. [2021-11-25 06:44:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:30,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:30,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:30,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:30,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:30,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:30,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:30,853 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 8 treesize of output 7 [2021-11-25 06:44:31,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:31,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:31,862 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:31,862 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:31,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:32,034 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 18 treesize of output 3 [2021-11-25 06:44:33,009 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:33,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:33,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 499 states and 1460 transitions. [2021-11-25 06:44:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1460 transitions. [2021-11-25 06:44:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:33,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:33,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:33,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:44:33,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:33,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:33,558 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:33,558 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:33,651 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 18 treesize of output 3 [2021-11-25 06:44:34,682 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:34,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 501 states and 1466 transitions. [2021-11-25 06:44:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1466 transitions. [2021-11-25 06:44:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:34,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:34,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:34,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:34,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:34,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:34,817 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 8 treesize of output 7 [2021-11-25 06:44:34,825 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 8 treesize of output 7 [2021-11-25 06:44:35,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:35,808 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:35,809 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:35,815 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 18 treesize of output 3 [2021-11-25 06:44:36,831 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:36,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 503 states and 1472 transitions. [2021-11-25 06:44:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1472 transitions. [2021-11-25 06:44:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:36,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:36,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:36,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:36,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:36,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:36,969 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 8 treesize of output 7 [2021-11-25 06:44:36,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:37,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:37,655 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:37,655 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:37,722 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 18 treesize of output 3 [2021-11-25 06:44:38,757 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:38,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 505 states and 1478 transitions. [2021-11-25 06:44:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1478 transitions. [2021-11-25 06:44:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:38,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:38,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:38,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:44:38,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:39,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:39,125 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:39,125 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:39,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:39,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:40,185 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:40,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 507 states and 1484 transitions. [2021-11-25 06:44:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1484 transitions. [2021-11-25 06:44:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:40,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:40,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:40,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:44:40,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:40,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:40,566 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:40,566 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:40,608 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:40,688 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 18 treesize of output 3 [2021-11-25 06:44:41,691 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:41,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:41,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 509 states and 1490 transitions. [2021-11-25 06:44:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1490 transitions. [2021-11-25 06:44:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:41,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:41,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:41,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:44:41,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:42,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:42,094 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:42,094 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:42,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:44:43,183 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:43,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 511 states and 1496 transitions. [2021-11-25 06:44:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1496 transitions. [2021-11-25 06:44:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:43,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:43,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:43,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:43,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:43,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:44:43,313 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 13 treesize of output 12 [2021-11-25 06:44:43,326 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 13 treesize of output 12 [2021-11-25 06:44:43,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:44,043 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:44,044 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:44,124 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:44,217 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 18 treesize of output 3 [2021-11-25 06:44:45,263 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:45,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 513 states and 1502 transitions. [2021-11-25 06:44:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1502 transitions. [2021-11-25 06:44:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:45,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:45,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:45,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:44:45,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:45,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:45,658 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:45,658 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:45,722 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 18 treesize of output 3 [2021-11-25 06:44:46,799 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:46,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 515 states and 1508 transitions. [2021-11-25 06:44:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1508 transitions. [2021-11-25 06:44:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:46,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:46,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:46,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:44:46,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:46,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:46,967 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 8 treesize of output 7 [2021-11-25 06:44:46,979 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 8 treesize of output 7 [2021-11-25 06:44:47,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:47,754 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:47,754 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:47,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:44:48,867 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:48,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 517 states and 1514 transitions. [2021-11-25 06:44:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1514 transitions. [2021-11-25 06:44:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:48,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:48,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:48,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:44:48,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:49,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:49,297 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:49,298 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:49,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:49,424 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 18 treesize of output 3 [2021-11-25 06:44:50,415 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:50,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 519 states and 1520 transitions. [2021-11-25 06:44:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1520 transitions. [2021-11-25 06:44:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:50,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:50,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:50,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:50,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:50,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:50,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:50,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:51,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:51,267 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:51,267 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:51,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:51,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:52,366 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:52,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:52,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 521 states and 1526 transitions. [2021-11-25 06:44:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1526 transitions. [2021-11-25 06:44:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:52,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:52,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:52,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:52,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:52,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:44:52,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:52,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:53,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:53,196 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:53,196 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:53,266 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 18 treesize of output 3 [2021-11-25 06:44:54,263 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:54,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 523 states and 1532 transitions. [2021-11-25 06:44:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1532 transitions. [2021-11-25 06:44:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:54,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:54,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:54,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:44:54,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:54,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:44:54,607 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:44:54,608 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:44:54,615 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 18 treesize of output 3 [2021-11-25 06:44:55,564 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:55,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 525 states and 1538 transitions. [2021-11-25 06:44:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1538 transitions. [2021-11-25 06:44:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:55,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:55,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:55,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:44:55,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:55,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:55,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:55,695 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 8 treesize of output 7 [2021-11-25 06:44:56,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:56,610 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:56,610 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:56,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:56,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:44:57,751 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:57,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 527 states and 1544 transitions. [2021-11-25 06:44:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1544 transitions. [2021-11-25 06:44:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:57,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:57,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:57,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:44:57,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:57,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:44:57,874 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 06:44:57,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:44:58,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:44:58,764 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:44:58,764 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:44:58,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:58,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:44:59,799 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:44:59,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:44:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 529 states and 1550 transitions. [2021-11-25 06:44:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1550 transitions. [2021-11-25 06:44:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:44:59,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:59,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:59,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:44:59,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:00,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:00,145 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:00,145 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:00,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:00,274 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 18 treesize of output 3 [2021-11-25 06:45:01,231 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:01,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 531 states and 1556 transitions. [2021-11-25 06:45:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1556 transitions. [2021-11-25 06:45:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:01,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:01,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:01,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:45:01,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:01,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:45:01,379 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 13 treesize of output 12 [2021-11-25 06:45:01,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:45:01,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:45:01,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:45:02,017 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:45:02,017 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:45:02,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:45:02,981 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:02,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 533 states and 1562 transitions. [2021-11-25 06:45:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1562 transitions. [2021-11-25 06:45:03,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:03,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:03,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:03,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:45:03,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:03,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:45:03,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:03,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:45:03,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:45:03,786 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:45:03,787 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:45:03,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:45:04,910 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:04,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 535 states and 1568 transitions. [2021-11-25 06:45:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1568 transitions. [2021-11-25 06:45:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:04,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:04,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:05,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:45:05,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:05,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:05,272 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:05,272 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:05,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:05,386 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 18 treesize of output 3 [2021-11-25 06:45:06,350 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:06,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:06,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 537 states and 1574 transitions. [2021-11-25 06:45:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1574 transitions. [2021-11-25 06:45:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:06,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:06,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:06,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:45:06,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:06,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:06,725 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:06,725 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:06,738 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 18 treesize of output 3 [2021-11-25 06:45:07,712 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:07,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 539 states and 1580 transitions. [2021-11-25 06:45:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1580 transitions. [2021-11-25 06:45:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:07,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:07,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:07,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:45:07,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:08,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:08,088 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:08,088 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:08,125 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 18 treesize of output 3 [2021-11-25 06:45:09,161 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:09,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 541 states and 1586 transitions. [2021-11-25 06:45:09,206 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1586 transitions. [2021-11-25 06:45:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:09,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:09,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:09,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:45:09,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:09,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:09,521 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:09,521 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:09,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:45:10,639 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:10,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 543 states and 1592 transitions. [2021-11-25 06:45:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1592 transitions. [2021-11-25 06:45:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:10,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:10,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:10,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:45:10,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:10,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:10,999 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:10,999 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:11,043 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 18 treesize of output 3 [2021-11-25 06:45:12,068 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:12,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 545 states and 1598 transitions. [2021-11-25 06:45:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1598 transitions. [2021-11-25 06:45:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:12,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:12,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:12,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:45:12,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:12,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:12,465 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:12,465 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:12,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:45:13,520 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:13,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 547 states and 1604 transitions. [2021-11-25 06:45:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1604 transitions. [2021-11-25 06:45:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:13,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:13,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:13,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:45:13,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:13,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:45:13,680 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 8 treesize of output 7 [2021-11-25 06:45:13,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:45:14,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:45:14,704 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:45:14,704 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:45:14,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:14,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:45:15,875 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:15,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 549 states and 1610 transitions. [2021-11-25 06:45:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1610 transitions. [2021-11-25 06:45:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:15,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:15,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:15,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:45:15,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:16,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:45:16,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:16,019 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 8 treesize of output 7 [2021-11-25 06:45:19,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:45:19,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:45:19,908 INFO L354 Elim1Store]: treesize reduction 250, result has 33.0 percent of original size [2021-11-25 06:45:19,909 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 183 [2021-11-25 06:45:20,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:21,073 INFO L354 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2021-11-25 06:45:21,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 119 [2021-11-25 06:45:21,919 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-25 06:45:22,852 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-25 06:45:26,805 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-25 06:45:29,092 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-25 06:45:33,011 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-25 06:45:36,684 INFO L354 Elim1Store]: treesize reduction 22, result has 68.1 percent of original size [2021-11-25 06:45:36,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 115 [2021-11-25 06:45:37,525 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-25 06:45:37,640 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-25 06:45:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 552 states and 1628 transitions. [2021-11-25 06:45:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1628 transitions. [2021-11-25 06:45:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:51,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:51,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:51,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:45:51,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:51,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:51,875 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:51,875 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:51,976 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 18 treesize of output 3 [2021-11-25 06:45:53,373 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:53,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:53,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 554 states and 1634 transitions. [2021-11-25 06:45:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1634 transitions. [2021-11-25 06:45:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:53,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:53,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:53,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:45:53,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:53,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:45:53,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:45:53,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:45:54,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:45:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:45:54,838 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:45:54,839 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:45:54,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:54,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:45:56,296 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:56,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 556 states and 1640 transitions. [2021-11-25 06:45:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1640 transitions. [2021-11-25 06:45:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:56,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:56,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:56,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:45:56,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:56,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:56,771 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:56,771 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:56,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:45:58,250 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:45:58,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:45:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 558 states and 1646 transitions. [2021-11-25 06:45:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1646 transitions. [2021-11-25 06:45:58,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:45:58,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:58,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:58,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:45:58,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:58,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:45:58,779 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:45:58,779 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:45:58,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:45:58,919 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 18 treesize of output 3 [2021-11-25 06:46:00,147 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:00,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 560 states and 1652 transitions. [2021-11-25 06:46:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1652 transitions. [2021-11-25 06:46:00,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:00,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:00,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:00,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:46:00,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:00,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:00,588 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:00,588 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:00,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:00,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:02,036 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:02,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 562 states and 1658 transitions. [2021-11-25 06:46:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1658 transitions. [2021-11-25 06:46:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:02,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:02,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:02,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:46:02,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:02,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:02,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:46:02,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:46:03,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:46:03,417 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:03,418 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:03,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:03,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:04,707 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:04,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:04,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 564 states and 1664 transitions. [2021-11-25 06:46:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1664 transitions. [2021-11-25 06:46:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:04,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:04,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:04,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:46:04,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:04,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:04,848 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 8 treesize of output 7 [2021-11-25 06:46:04,860 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 8 treesize of output 7 [2021-11-25 06:46:05,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:06,040 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:06,041 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:06,103 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 18 treesize of output 3 [2021-11-25 06:46:07,492 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:07,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:07,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 566 states and 1670 transitions. [2021-11-25 06:46:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1670 transitions. [2021-11-25 06:46:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:07,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:07,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:07,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:46:07,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:07,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:07,970 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:07,971 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:08,025 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 18 treesize of output 3 [2021-11-25 06:46:09,351 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:09,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:09,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 568 states and 1676 transitions. [2021-11-25 06:46:09,406 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1676 transitions. [2021-11-25 06:46:09,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:09,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:09,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:09,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:09,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:09,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:09,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:46:09,507 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 06:46:10,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:46:10,627 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:10,627 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:10,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:46:12,080 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:12,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:12,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 570 states and 1682 transitions. [2021-11-25 06:46:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1682 transitions. [2021-11-25 06:46:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:12,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:12,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:12,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:46:12,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:12,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:12,496 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:12,496 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:12,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:12,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:13,897 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:13,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 572 states and 1688 transitions. [2021-11-25 06:46:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1688 transitions. [2021-11-25 06:46:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:13,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:13,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:14,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:14,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:14,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:14,063 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 8 treesize of output 7 [2021-11-25 06:46:14,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:14,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:14,863 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:14,864 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:14,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:15,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:16,264 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:16,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 574 states and 1694 transitions. [2021-11-25 06:46:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1694 transitions. [2021-11-25 06:46:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:16,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:16,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:16,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:46:16,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:16,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:16,759 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:16,760 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:16,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:16,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:18,283 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:18,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 576 states and 1700 transitions. [2021-11-25 06:46:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1700 transitions. [2021-11-25 06:46:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:18,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:18,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:18,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:18,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:18,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:18,421 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 8 treesize of output 7 [2021-11-25 06:46:18,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:46:19,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:19,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:46:19,589 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:19,589 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:19,680 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 18 treesize of output 3 [2021-11-25 06:46:20,994 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:20,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 578 states and 1706 transitions. [2021-11-25 06:46:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1706 transitions. [2021-11-25 06:46:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:21,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:21,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:21,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:46:21,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:21,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:21,403 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:21,403 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:21,424 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 18 treesize of output 3 [2021-11-25 06:46:22,696 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:22,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 580 states and 1712 transitions. [2021-11-25 06:46:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1712 transitions. [2021-11-25 06:46:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:22,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:46:22,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:23,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:23,106 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:23,106 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:23,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:23,276 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 18 treesize of output 3 [2021-11-25 06:46:24,572 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:24,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 582 states and 1718 transitions. [2021-11-25 06:46:24,627 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1718 transitions. [2021-11-25 06:46:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:24,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:24,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:24,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:46:24,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:24,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:25,010 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:25,010 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:25,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:25,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:46:26,453 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:26,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 584 states and 1724 transitions. [2021-11-25 06:46:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1724 transitions. [2021-11-25 06:46:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:26,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:26,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:26,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:46:26,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:26,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:26,923 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:26,923 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:26,986 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:27,109 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 18 treesize of output 3 [2021-11-25 06:46:28,458 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:28,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 586 states and 1730 transitions. [2021-11-25 06:46:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1730 transitions. [2021-11-25 06:46:28,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:28,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:28,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:28,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:28,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:28,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:28,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:28,656 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 8 treesize of output 7 [2021-11-25 06:46:29,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:29,521 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:29,521 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:29,606 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:29,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:30,980 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:30,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 588 states and 1736 transitions. [2021-11-25 06:46:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1736 transitions. [2021-11-25 06:46:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:31,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:31,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:31,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 06:46:31,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:31,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:31,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:46:31,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:31,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:32,021 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:32,021 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:32,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:32,163 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 18 treesize of output 3 [2021-11-25 06:46:33,516 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:33,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 590 states and 1742 transitions. [2021-11-25 06:46:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1742 transitions. [2021-11-25 06:46:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:33,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:33,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:33,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:33,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:33,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:46:33,695 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 13 treesize of output 12 [2021-11-25 06:46:33,703 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 13 treesize of output 12 [2021-11-25 06:46:34,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:34,957 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:34,957 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:34,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:35,109 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 18 treesize of output 3 [2021-11-25 06:46:36,522 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:36,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 592 states and 1748 transitions. [2021-11-25 06:46:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1748 transitions. [2021-11-25 06:46:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:36,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:36,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:36,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:46:36,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:36,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:37,007 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:37,007 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:37,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:38,403 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:38,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 594 states and 1754 transitions. [2021-11-25 06:46:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1754 transitions. [2021-11-25 06:46:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:38,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:38,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:38,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:46:38,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:38,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:38,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:46:38,565 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 8 treesize of output 7 [2021-11-25 06:46:39,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:39,829 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:39,830 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:39,875 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 18 treesize of output 3 [2021-11-25 06:46:41,248 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:41,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 596 states and 1760 transitions. [2021-11-25 06:46:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1760 transitions. [2021-11-25 06:46:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:41,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:41,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:41,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:46:41,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:41,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:41,734 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:41,735 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:41,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:43,231 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:43,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 598 states and 1766 transitions. [2021-11-25 06:46:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1766 transitions. [2021-11-25 06:46:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:43,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:43,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:43,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:43,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:43,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:43,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:43,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:46:44,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:44,270 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:44,270 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:44,373 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 18 treesize of output 3 [2021-11-25 06:46:45,875 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:45,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 600 states and 1772 transitions. [2021-11-25 06:46:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1772 transitions. [2021-11-25 06:46:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:45,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:45,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:46,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:46:46,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:46,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:46,388 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:46,389 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:46,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:46,565 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 18 treesize of output 3 [2021-11-25 06:46:47,961 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:47,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 602 states and 1778 transitions. [2021-11-25 06:46:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1778 transitions. [2021-11-25 06:46:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:48,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:48,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:48,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:48,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:48,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:48,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:46:48,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:46:49,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:49,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:46:49,396 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:49,396 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:49,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:50,900 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:50,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 604 states and 1784 transitions. [2021-11-25 06:46:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1784 transitions. [2021-11-25 06:46:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:50,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:50,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:51,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:51,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:51,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:51,053 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 06:46:51,062 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 8 treesize of output 7 [2021-11-25 06:46:52,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:46:52,346 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:52,347 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:52,499 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 18 treesize of output 3 [2021-11-25 06:46:53,946 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:53,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 606 states and 1790 transitions. [2021-11-25 06:46:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1790 transitions. [2021-11-25 06:46:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:54,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:54,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:54,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:46:54,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:54,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:54,423 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:54,423 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:54,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:55,978 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:55,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 608 states and 1796 transitions. [2021-11-25 06:46:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1796 transitions. [2021-11-25 06:46:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:56,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:56,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:56,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:46:56,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:56,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:46:56,449 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:46:56,449 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:46:56,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:46:57,933 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:46:57,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:46:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 610 states and 1802 transitions. [2021-11-25 06:46:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1802 transitions. [2021-11-25 06:46:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:46:57,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:57,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:58,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:46:58,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:58,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:46:58,074 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 8 treesize of output 7 [2021-11-25 06:46:58,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:46:58,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:46:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:46:58,953 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:46:58,953 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:46:58,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:46:59,121 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 18 treesize of output 3 [2021-11-25 06:47:00,496 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:00,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:00,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:00,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 612 states and 1808 transitions. [2021-11-25 06:47:00,551 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1808 transitions. [2021-11-25 06:47:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:00,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:00,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:00,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:47:00,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:00,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:00,637 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 8 treesize of output 7 [2021-11-25 06:47:00,647 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 8 treesize of output 7 [2021-11-25 06:47:01,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:01,956 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:01,956 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:02,012 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 18 treesize of output 3 [2021-11-25 06:47:03,523 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:03,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 614 states and 1814 transitions. [2021-11-25 06:47:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1814 transitions. [2021-11-25 06:47:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:03,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:03,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:03,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:47:03,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:03,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:03,965 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:03,965 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:03,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:05,484 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:05,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 616 states and 1820 transitions. [2021-11-25 06:47:05,536 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1820 transitions. [2021-11-25 06:47:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:05,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:05,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:05,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:47:05,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:05,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:05,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:05,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:06,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:07,018 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:07,018 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:07,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:08,593 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:08,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 618 states and 1826 transitions. [2021-11-25 06:47:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1826 transitions. [2021-11-25 06:47:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:08,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:08,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:08,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:08,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:08,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:08,752 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 8 treesize of output 7 [2021-11-25 06:47:08,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:09,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:09,687 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:09,687 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:09,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:09,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:11,341 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:11,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 620 states and 1832 transitions. [2021-11-25 06:47:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1832 transitions. [2021-11-25 06:47:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:11,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:11,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:11,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:11,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:11,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:47:11,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:11,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:12,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:12,402 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:12,402 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:12,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:12,593 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 18 treesize of output 3 [2021-11-25 06:47:13,920 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:13,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 622 states and 1838 transitions. [2021-11-25 06:47:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1838 transitions. [2021-11-25 06:47:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:13,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:13,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:14,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:47:14,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:14,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:14,425 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:14,425 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:14,488 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 18 treesize of output 3 [2021-11-25 06:47:15,946 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:15,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 624 states and 1844 transitions. [2021-11-25 06:47:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1844 transitions. [2021-11-25 06:47:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:16,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:16,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:16,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 06:47:16,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:16,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:16,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:16,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:16,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:16,995 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:16,996 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:17,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:17,163 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 18 treesize of output 3 [2021-11-25 06:47:18,507 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:18,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 626 states and 1850 transitions. [2021-11-25 06:47:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1850 transitions. [2021-11-25 06:47:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:18,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:18,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:18,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:47:18,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:18,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:19,027 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:19,027 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:19,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:20,521 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:20,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 628 states and 1856 transitions. [2021-11-25 06:47:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1856 transitions. [2021-11-25 06:47:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:20,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:20,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:20,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:47:20,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:20,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:20,673 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 8 treesize of output 7 [2021-11-25 06:47:20,683 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 8 treesize of output 7 [2021-11-25 06:47:21,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:22,072 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:22,072 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:22,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:22,247 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 18 treesize of output 3 [2021-11-25 06:47:23,663 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:23,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 630 states and 1862 transitions. [2021-11-25 06:47:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1862 transitions. [2021-11-25 06:47:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:23,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:23,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:23,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:23,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:23,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:23,823 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 8 treesize of output 7 [2021-11-25 06:47:23,833 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 8 treesize of output 7 [2021-11-25 06:47:25,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:25,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:47:25,191 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:25,191 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:25,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:47:26,765 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:26,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 632 states and 1868 transitions. [2021-11-25 06:47:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1868 transitions. [2021-11-25 06:47:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:26,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:26,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:26,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:26,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:26,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:47:26,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:26,939 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 13 treesize of output 12 [2021-11-25 06:47:27,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:27,842 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:27,842 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:27,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:29,357 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:29,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 634 states and 1874 transitions. [2021-11-25 06:47:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1874 transitions. [2021-11-25 06:47:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:29,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:29,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:29,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:47:29,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:29,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:29,855 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:29,855 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:29,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:31,396 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:31,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 636 states and 1880 transitions. [2021-11-25 06:47:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1880 transitions. [2021-11-25 06:47:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:31,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:31,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:47:31,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:31,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:31,878 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:31,879 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:31,913 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:32,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:47:33,400 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:33,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 638 states and 1886 transitions. [2021-11-25 06:47:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1886 transitions. [2021-11-25 06:47:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:33,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:33,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:33,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:47:33,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:33,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:33,862 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:33,862 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:33,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:47:35,439 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:35,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 640 states and 1892 transitions. [2021-11-25 06:47:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1892 transitions. [2021-11-25 06:47:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:35,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:35,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:35,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:47:35,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:35,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:35,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:35,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:36,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:36,948 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:36,949 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:36,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:37,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:47:38,592 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:38,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 642 states and 1898 transitions. [2021-11-25 06:47:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1898 transitions. [2021-11-25 06:47:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:38,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:38,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:38,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:47:38,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:39,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:39,092 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:39,092 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:39,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:40,733 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:40,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 644 states and 1904 transitions. [2021-11-25 06:47:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1904 transitions. [2021-11-25 06:47:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:40,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:40,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:40,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:47:40,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:41,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:41,249 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:41,249 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:41,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:41,410 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 18 treesize of output 3 [2021-11-25 06:47:42,812 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:42,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 646 states and 1910 transitions. [2021-11-25 06:47:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1910 transitions. [2021-11-25 06:47:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:42,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:42,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:42,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:47:42,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:42,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:42,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:47:42,993 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 06:47:44,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:44,347 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:44,347 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:44,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:47:45,807 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:45,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 648 states and 1916 transitions. [2021-11-25 06:47:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1916 transitions. [2021-11-25 06:47:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:45,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:45,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:45,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:45,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:45,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:47:45,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:45,969 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 13 treesize of output 12 [2021-11-25 06:47:46,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:46,886 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:46,886 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:46,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:47:48,380 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:48,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 650 states and 1922 transitions. [2021-11-25 06:47:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1922 transitions. [2021-11-25 06:47:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:48,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:48,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:48,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:47:48,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:48,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:48,860 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:48,860 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:48,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:49,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:47:50,485 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:50,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 652 states and 1928 transitions. [2021-11-25 06:47:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1928 transitions. [2021-11-25 06:47:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:50,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:50,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:50,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:50,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:50,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:50,652 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 8 treesize of output 7 [2021-11-25 06:47:50,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:51,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:51,587 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:51,587 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:51,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:51,819 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 18 treesize of output 3 [2021-11-25 06:47:53,249 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:53,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 654 states and 1934 transitions. [2021-11-25 06:47:53,310 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1934 transitions. [2021-11-25 06:47:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:53,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:53,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:53,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:47:53,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:53,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:53,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:47:53,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:47:54,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:47:54,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:47:54,748 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:47:54,748 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:47:54,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:47:56,402 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:56,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 656 states and 1940 transitions. [2021-11-25 06:47:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1940 transitions. [2021-11-25 06:47:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:56,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:56,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:56,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:47:56,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:56,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:47:56,984 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:47:56,984 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:47:57,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:47:57,163 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 18 treesize of output 3 [2021-11-25 06:47:58,639 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:47:58,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:47:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:58,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 658 states and 1946 transitions. [2021-11-25 06:47:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1946 transitions. [2021-11-25 06:47:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:47:58,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:58,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:58,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:58,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:58,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:47:58,831 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 8 treesize of output 7 [2021-11-25 06:47:58,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:00,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:00,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:48:00,130 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:00,130 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:00,227 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 18 treesize of output 3 [2021-11-25 06:48:01,717 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:01,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:01,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 660 states and 1952 transitions. [2021-11-25 06:48:01,769 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1952 transitions. [2021-11-25 06:48:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:01,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:01,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:01,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:01,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:01,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:01,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:01,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:02,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:02,782 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:02,783 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:02,855 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 18 treesize of output 3 [2021-11-25 06:48:04,447 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:04,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 662 states and 1958 transitions. [2021-11-25 06:48:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1958 transitions. [2021-11-25 06:48:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:04,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:04,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:04,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:04,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:04,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:04,648 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 8 treesize of output 7 [2021-11-25 06:48:04,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:48:05,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:48:06,002 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:06,002 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:06,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:07,591 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:07,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 664 states and 1964 transitions. [2021-11-25 06:48:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1964 transitions. [2021-11-25 06:48:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:07,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:07,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:07,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:07,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:07,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:48:07,736 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 13 treesize of output 12 [2021-11-25 06:48:07,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:08,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:08,658 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:08,659 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:08,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:08,848 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 18 treesize of output 3 [2021-11-25 06:48:10,218 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:10,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 666 states and 1970 transitions. [2021-11-25 06:48:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1970 transitions. [2021-11-25 06:48:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:10,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:10,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:10,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:48:10,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:10,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:10,693 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:10,693 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:10,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:12,214 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:12,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 668 states and 1976 transitions. [2021-11-25 06:48:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1976 transitions. [2021-11-25 06:48:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:12,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:12,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:12,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:12,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:12,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:12,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:48:12,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:13,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:48:13,661 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:13,661 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:13,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:13,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:15,123 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:15,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 670 states and 1982 transitions. [2021-11-25 06:48:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1982 transitions. [2021-11-25 06:48:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:15,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:15,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:15,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:48:15,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:15,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:15,551 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:15,551 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:15,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:16,913 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:16,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 672 states and 1988 transitions. [2021-11-25 06:48:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1988 transitions. [2021-11-25 06:48:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:16,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:16,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:17,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:48:17,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:17,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:17,386 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:17,386 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:17,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:17,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:18,990 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:18,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 674 states and 1994 transitions. [2021-11-25 06:48:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1994 transitions. [2021-11-25 06:48:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:19,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:19,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:19,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:48:19,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:19,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:48:19,138 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 13 treesize of output 12 [2021-11-25 06:48:19,146 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 13 treesize of output 12 [2021-11-25 06:48:20,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:48:20,408 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:20,408 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:20,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:20,583 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 18 treesize of output 3 [2021-11-25 06:48:21,921 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:21,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 676 states and 2000 transitions. [2021-11-25 06:48:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 2000 transitions. [2021-11-25 06:48:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:21,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:21,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:22,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:22,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:22,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:22,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:22,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:22,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:22,993 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:22,993 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:23,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:23,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:48:24,500 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:24,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 678 states and 2006 transitions. [2021-11-25 06:48:24,558 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2006 transitions. [2021-11-25 06:48:24,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:24,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:24,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:24,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:48:24,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:24,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:24,950 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:24,951 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:25,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:26,420 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:26,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 680 states and 2012 transitions. [2021-11-25 06:48:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 2012 transitions. [2021-11-25 06:48:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:26,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:26,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:26,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:48:26,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:26,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:26,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:48:26,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:27,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:27,457 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:27,457 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:27,498 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 18 treesize of output 3 [2021-11-25 06:48:28,914 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:28,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 682 states and 2018 transitions. [2021-11-25 06:48:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2018 transitions. [2021-11-25 06:48:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:28,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:28,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:29,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:48:29,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:29,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:48:29,062 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 13 treesize of output 12 [2021-11-25 06:48:29,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:30,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:30,144 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:30,144 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:30,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:30,207 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 18 treesize of output 3 [2021-11-25 06:48:31,602 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:31,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 684 states and 2024 transitions. [2021-11-25 06:48:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 2024 transitions. [2021-11-25 06:48:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:31,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:31,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:31,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:48:31,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:32,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:32,053 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:32,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:32,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:32,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:48:33,606 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:33,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 686 states and 2030 transitions. [2021-11-25 06:48:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2030 transitions. [2021-11-25 06:48:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:33,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:33,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:33,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:48:33,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:34,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:34,074 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:34,074 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:34,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:34,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:35,774 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:35,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:35,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 688 states and 2036 transitions. [2021-11-25 06:48:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 2036 transitions. [2021-11-25 06:48:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:35,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:35,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:35,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:48:35,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:35,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:48:35,939 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 13 treesize of output 12 [2021-11-25 06:48:35,950 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 13 treesize of output 12 [2021-11-25 06:48:36,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:48:36,844 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:36,844 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:36,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:36,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:48:38,351 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:38,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 690 states and 2042 transitions. [2021-11-25 06:48:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 2042 transitions. [2021-11-25 06:48:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:38,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:38,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:38,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:48:38,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:38,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:38,816 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:38,817 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:38,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:38,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:40,381 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:40,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 692 states and 2048 transitions. [2021-11-25 06:48:40,435 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2048 transitions. [2021-11-25 06:48:40,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:40,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:40,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:40,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:40,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:40,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:40,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:40,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:41,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:41,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:48:41,844 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:41,844 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:41,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:42,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:48:43,413 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:43,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 694 states and 2054 transitions. [2021-11-25 06:48:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2054 transitions. [2021-11-25 06:48:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:43,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:43,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:43,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:48:43,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:43,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:43,867 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:43,868 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:43,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:43,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:45,392 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:45,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:45,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 696 states and 2060 transitions. [2021-11-25 06:48:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 2060 transitions. [2021-11-25 06:48:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:45,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:45,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:45,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:48:45,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:45,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:45,857 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:45,857 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:45,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:46,002 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 18 treesize of output 3 [2021-11-25 06:48:47,389 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:47,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 698 states and 2066 transitions. [2021-11-25 06:48:47,455 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 2066 transitions. [2021-11-25 06:48:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:47,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:47,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:47,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:48:47,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:47,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:47,865 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:47,865 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:47,919 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 18 treesize of output 3 [2021-11-25 06:48:49,396 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:49,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 700 states and 2072 transitions. [2021-11-25 06:48:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 2072 transitions. [2021-11-25 06:48:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:49,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:49,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:49,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:49,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:49,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:49,538 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 8 treesize of output 7 [2021-11-25 06:48:49,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:50,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:50,408 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:50,408 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:50,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:48:51,976 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:51,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 702 states and 2078 transitions. [2021-11-25 06:48:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2078 transitions. [2021-11-25 06:48:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:52,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:52,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:52,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:48:52,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:52,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:52,117 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 8 treesize of output 7 [2021-11-25 06:48:52,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:52,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:53,078 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:53,079 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:53,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:53,259 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 18 treesize of output 3 [2021-11-25 06:48:54,662 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:54,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 704 states and 2084 transitions. [2021-11-25 06:48:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2084 transitions. [2021-11-25 06:48:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:54,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:54,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:54,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:48:54,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:55,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:48:55,123 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:48:55,124 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:48:55,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:55,268 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 18 treesize of output 3 [2021-11-25 06:48:56,668 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:56,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 706 states and 2090 transitions. [2021-11-25 06:48:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2090 transitions. [2021-11-25 06:48:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:56,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:56,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:56,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:48:56,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:56,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:56,812 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 8 treesize of output 7 [2021-11-25 06:48:56,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:48:58,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:48:58,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:48:58,135 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:48:58,135 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:48:58,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:58,297 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 18 treesize of output 3 [2021-11-25 06:48:59,740 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:48:59,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:48:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 708 states and 2096 transitions. [2021-11-25 06:48:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2096 transitions. [2021-11-25 06:48:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:48:59,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:59,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:59,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:48:59,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:59,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:48:59,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:48:59,912 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 8 treesize of output 7 [2021-11-25 06:49:00,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:00,825 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:00,825 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:00,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:02,483 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:02,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:02,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 710 states and 2102 transitions. [2021-11-25 06:49:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 2102 transitions. [2021-11-25 06:49:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:02,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:02,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:02,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:49:02,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:02,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:02,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:49:02,650 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:03,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:03,556 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:03,557 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:03,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:03,755 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 18 treesize of output 3 [2021-11-25 06:49:05,136 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:05,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 712 states and 2108 transitions. [2021-11-25 06:49:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 2108 transitions. [2021-11-25 06:49:05,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:05,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:05,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:05,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:49:05,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:05,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:05,604 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:05,604 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:05,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:05,732 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 18 treesize of output 3 [2021-11-25 06:49:07,188 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:07,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 714 states and 2114 transitions. [2021-11-25 06:49:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 2114 transitions. [2021-11-25 06:49:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:07,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:07,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:07,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:49:07,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:07,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:07,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:49:07,343 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 8 treesize of output 7 [2021-11-25 06:49:08,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:08,724 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:08,724 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:08,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:10,505 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:10,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 716 states and 2120 transitions. [2021-11-25 06:49:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 2120 transitions. [2021-11-25 06:49:10,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:10,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:10,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:10,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:49:10,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:10,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:10,664 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 8 treesize of output 7 [2021-11-25 06:49:10,674 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 8 treesize of output 7 [2021-11-25 06:49:12,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:12,121 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:12,122 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:12,208 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 18 treesize of output 3 [2021-11-25 06:49:13,904 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:13,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 718 states and 2126 transitions. [2021-11-25 06:49:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 2126 transitions. [2021-11-25 06:49:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:13,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:13,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:13,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:49:13,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:14,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:14,057 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 06:49:14,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:14,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:49:15,007 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:15,008 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:15,121 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 18 treesize of output 3 [2021-11-25 06:49:16,834 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:16,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 720 states and 2132 transitions. [2021-11-25 06:49:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 2132 transitions. [2021-11-25 06:49:16,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:16,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:16,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:16,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:49:16,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:16,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:49:17,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-25 06:49:17,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:18,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:18,186 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:18,187 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:18,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:19,760 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:19,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 722 states and 2138 transitions. [2021-11-25 06:49:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 2138 transitions. [2021-11-25 06:49:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:19,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:19,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:19,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:49:19,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:20,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:20,246 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:20,247 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:20,257 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 18 treesize of output 3 [2021-11-25 06:49:21,871 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:21,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 724 states and 2144 transitions. [2021-11-25 06:49:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 2144 transitions. [2021-11-25 06:49:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:21,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:21,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:21,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:49:21,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:22,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:22,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:49:22,027 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 8 treesize of output 7 [2021-11-25 06:49:23,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:23,499 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:23,499 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:23,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:25,284 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:25,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 726 states and 2150 transitions. [2021-11-25 06:49:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2150 transitions. [2021-11-25 06:49:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:25,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:25,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:25,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:49:25,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:25,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:25,788 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:25,788 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:25,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:25,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:27,543 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:27,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 728 states and 2156 transitions. [2021-11-25 06:49:27,600 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2156 transitions. [2021-11-25 06:49:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:27,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:27,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:27,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:49:27,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:27,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:28,022 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:28,022 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:28,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:28,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:29,784 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:29,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:29,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 730 states and 2162 transitions. [2021-11-25 06:49:29,841 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 2162 transitions. [2021-11-25 06:49:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:29,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:29,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:29,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:49:29,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:30,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:30,263 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:30,264 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:30,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:30,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:32,020 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:32,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 732 states and 2168 transitions. [2021-11-25 06:49:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 2168 transitions. [2021-11-25 06:49:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:32,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:32,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:32,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:49:32,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:32,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:32,486 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:32,486 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:32,498 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 18 treesize of output 3 [2021-11-25 06:49:34,054 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:34,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 734 states and 2174 transitions. [2021-11-25 06:49:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2174 transitions. [2021-11-25 06:49:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:34,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:34,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:34,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:49:34,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:34,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:34,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:49:34,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:49:35,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:35,615 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:35,615 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:35,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:37,371 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:37,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 736 states and 2180 transitions. [2021-11-25 06:49:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 2180 transitions. [2021-11-25 06:49:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:37,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:37,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:37,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:49:37,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:37,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:37,873 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:37,874 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:38,016 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 18 treesize of output 3 [2021-11-25 06:49:39,672 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:39,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 738 states and 2186 transitions. [2021-11-25 06:49:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 2186 transitions. [2021-11-25 06:49:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:39,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:39,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:39,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:49:39,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:40,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:40,179 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:40,179 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:40,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:49:41,882 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:41,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 740 states and 2192 transitions. [2021-11-25 06:49:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 2192 transitions. [2021-11-25 06:49:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:41,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:41,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:41,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:49:41,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:42,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:49:42,048 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 13 treesize of output 12 [2021-11-25 06:49:42,057 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 13 treesize of output 12 [2021-11-25 06:49:42,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:42,995 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:42,996 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:43,065 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 18 treesize of output 3 [2021-11-25 06:49:44,670 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:44,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 742 states and 2198 transitions. [2021-11-25 06:49:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 2198 transitions. [2021-11-25 06:49:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:44,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:44,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:44,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:49:44,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:45,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:45,193 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:45,193 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:45,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:45,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:49:46,775 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:46,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 744 states and 2204 transitions. [2021-11-25 06:49:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 2204 transitions. [2021-11-25 06:49:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:46,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:46,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:46,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:49:46,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:47,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:47,302 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:47,302 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:47,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:47,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:49,021 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:49,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 746 states and 2210 transitions. [2021-11-25 06:49:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 2210 transitions. [2021-11-25 06:49:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:49,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:49,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:49,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:49:49,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:49,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:49,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:49:49,173 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 8 treesize of output 7 [2021-11-25 06:49:50,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:50,585 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:50,586 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:50,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:50,787 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 18 treesize of output 3 [2021-11-25 06:49:52,402 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:52,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 748 states and 2216 transitions. [2021-11-25 06:49:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 2216 transitions. [2021-11-25 06:49:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:52,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:52,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:52,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:49:52,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:52,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:52,876 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:52,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:52,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:53,083 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 18 treesize of output 3 [2021-11-25 06:49:54,634 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:54,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 750 states and 2222 transitions. [2021-11-25 06:49:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 2222 transitions. [2021-11-25 06:49:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:54,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:54,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:54,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:49:54,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:55,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:49:55,111 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:49:55,111 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:49:55,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:49:55,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:49:56,761 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:49:56,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:49:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 752 states and 2228 transitions. [2021-11-25 06:49:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 2228 transitions. [2021-11-25 06:49:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:49:56,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:56,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:56,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:49:56,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:56,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:49:56,920 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 8 treesize of output 7 [2021-11-25 06:49:56,932 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 8 treesize of output 7 [2021-11-25 06:49:58,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:49:58,383 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:49:58,384 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:49:58,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:00,135 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:00,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 754 states and 2234 transitions. [2021-11-25 06:50:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 2234 transitions. [2021-11-25 06:50:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:00,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:00,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:00,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:50:00,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:00,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:00,641 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:00,641 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:00,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:00,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:02,499 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:02,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 756 states and 2240 transitions. [2021-11-25 06:50:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 2240 transitions. [2021-11-25 06:50:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:02,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:02,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:02,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:50:02,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:02,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:50:02,697 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 13 treesize of output 12 [2021-11-25 06:50:02,711 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 13 treesize of output 12 [2021-11-25 06:50:03,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:03,734 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:03,735 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:03,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:05,499 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:05,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:05,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 758 states and 2246 transitions. [2021-11-25 06:50:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 2246 transitions. [2021-11-25 06:50:05,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:05,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:05,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:05,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:50:05,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:05,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:05,995 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:05,995 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:06,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:06,073 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 18 treesize of output 3 [2021-11-25 06:50:07,657 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:07,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:07,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 760 states and 2252 transitions. [2021-11-25 06:50:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 2252 transitions. [2021-11-25 06:50:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:07,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:07,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:07,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:50:07,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:08,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:08,171 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:08,172 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:08,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:08,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:50:09,956 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:09,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 762 states and 2258 transitions. [2021-11-25 06:50:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 2258 transitions. [2021-11-25 06:50:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:10,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:10,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:10,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:50:10,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:10,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:50:10,104 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 8 treesize of output 7 [2021-11-25 06:50:10,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:50:11,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:11,526 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:11,526 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:11,631 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 18 treesize of output 3 [2021-11-25 06:50:13,323 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:13,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 764 states and 2264 transitions. [2021-11-25 06:50:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 2264 transitions. [2021-11-25 06:50:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:13,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:13,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:13,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:50:13,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:13,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:13,800 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:13,801 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:13,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:14,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:15,708 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:15,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 766 states and 2270 transitions. [2021-11-25 06:50:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 2270 transitions. [2021-11-25 06:50:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:15,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:15,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:15,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:50:15,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:15,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:50:15,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:15,910 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 06:50:16,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:16,892 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:16,892 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:16,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:17,089 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 18 treesize of output 3 [2021-11-25 06:50:18,644 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:18,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 768 states and 2276 transitions. [2021-11-25 06:50:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 2276 transitions. [2021-11-25 06:50:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:18,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:18,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:18,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:50:18,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:18,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:50:18,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:18,800 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 8 treesize of output 7 [2021-11-25 06:50:19,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:19,772 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:19,772 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:19,867 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 18 treesize of output 3 [2021-11-25 06:50:21,560 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:21,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 770 states and 2282 transitions. [2021-11-25 06:50:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 2282 transitions. [2021-11-25 06:50:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:21,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:21,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:21,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:50:21,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:21,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:50:21,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:21,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:50:22,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:22,723 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:22,723 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:22,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:24,481 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:24,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 772 states and 2288 transitions. [2021-11-25 06:50:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2288 transitions. [2021-11-25 06:50:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:24,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:24,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:24,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:50:24,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:24,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:24,998 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:24,998 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:25,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:26,780 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:26,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 774 states and 2294 transitions. [2021-11-25 06:50:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 2294 transitions. [2021-11-25 06:50:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:26,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:26,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:26,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:50:26,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:26,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:50:26,945 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 8 treesize of output 7 [2021-11-25 06:50:26,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:27,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:27,962 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:27,962 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:28,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:28,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:29,867 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:29,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:29,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 776 states and 2300 transitions. [2021-11-25 06:50:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 2300 transitions. [2021-11-25 06:50:29,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:29,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:29,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:29,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:50:29,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:30,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:30,390 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:30,390 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:30,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:30,585 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 18 treesize of output 3 [2021-11-25 06:50:32,186 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:32,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 778 states and 2306 transitions. [2021-11-25 06:50:32,248 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 2306 transitions. [2021-11-25 06:50:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:32,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:32,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:32,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:50:32,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:32,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:32,710 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:32,710 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:32,799 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 18 treesize of output 3 [2021-11-25 06:50:34,517 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:34,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 780 states and 2312 transitions. [2021-11-25 06:50:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 2312 transitions. [2021-11-25 06:50:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:34,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:34,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:34,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:50:34,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:34,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:35,023 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:35,023 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:35,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:35,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:36,886 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:36,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 782 states and 2318 transitions. [2021-11-25 06:50:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 2318 transitions. [2021-11-25 06:50:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:36,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:36,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:37,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:50:37,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:37,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:37,493 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:37,494 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:37,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:39,145 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:39,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 784 states and 2324 transitions. [2021-11-25 06:50:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 2324 transitions. [2021-11-25 06:50:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:39,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:39,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:39,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:50:39,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:39,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:39,637 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:39,637 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:39,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:39,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:41,382 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:41,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 786 states and 2330 transitions. [2021-11-25 06:50:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 2330 transitions. [2021-11-25 06:50:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:41,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:41,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:41,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:50:41,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:41,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:50:41,553 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 8 treesize of output 7 [2021-11-25 06:50:41,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:50:42,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:42,988 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:42,988 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:43,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:44,814 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:44,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 788 states and 2336 transitions. [2021-11-25 06:50:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 2336 transitions. [2021-11-25 06:50:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:44,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:44,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:44,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:50:44,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:45,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:45,318 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:45,318 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:45,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:45,545 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 18 treesize of output 3 [2021-11-25 06:50:47,163 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:47,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 790 states and 2342 transitions. [2021-11-25 06:50:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 2342 transitions. [2021-11-25 06:50:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:47,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:47,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:47,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:50:47,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:47,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:47,701 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:47,701 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:47,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:49,564 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:49,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 792 states and 2348 transitions. [2021-11-25 06:50:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2348 transitions. [2021-11-25 06:50:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:49,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:49,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:49,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:50:49,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:49,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2021-11-25 06:50:49,721 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2021-11-25 06:50:51,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:51,547 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:51,547 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:51,629 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 18 treesize of output 3 [2021-11-25 06:50:53,445 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:53,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 794 states and 2354 transitions. [2021-11-25 06:50:53,500 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2354 transitions. [2021-11-25 06:50:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:53,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:53,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:53,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:50:53,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:53,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:50:53,613 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 8 treesize of output 7 [2021-11-25 06:50:53,624 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 8 treesize of output 7 [2021-11-25 06:50:54,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:50:54,647 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:50:54,647 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:50:54,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:54,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:50:56,577 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:56,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 796 states and 2360 transitions. [2021-11-25 06:50:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2360 transitions. [2021-11-25 06:50:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:56,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:56,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:56,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:50:56,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:57,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:57,117 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:57,117 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:57,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:57,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:50:59,076 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:50:59,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:50:59,121 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 798 states and 2366 transitions. [2021-11-25 06:50:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 2366 transitions. [2021-11-25 06:50:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:59,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:59,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:59,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:50:59,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:59,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:50:59,610 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:50:59,610 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:50:59,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:50:59,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:01,428 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:01,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 800 states and 2372 transitions. [2021-11-25 06:51:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2372 transitions. [2021-11-25 06:51:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:01,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:01,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:01,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:51:01,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:01,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:01,956 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:01,956 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:02,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:02,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:03,846 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:03,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 802 states and 2378 transitions. [2021-11-25 06:51:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 2378 transitions. [2021-11-25 06:51:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:03,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:03,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:03,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:51:03,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:04,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:04,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:51:04,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:04,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:05,057 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:05,057 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:05,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:05,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:51:06,975 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:06,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 804 states and 2384 transitions. [2021-11-25 06:51:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 2384 transitions. [2021-11-25 06:51:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:07,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:07,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:07,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:51:07,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:07,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:07,487 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:07,487 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:07,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:07,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:09,410 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:09,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 806 states and 2390 transitions. [2021-11-25 06:51:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 2390 transitions. [2021-11-25 06:51:09,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:09,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:09,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:09,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:51:09,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:09,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:09,950 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:09,950 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:09,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:10,132 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 18 treesize of output 3 [2021-11-25 06:51:11,790 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:11,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:11,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 808 states and 2396 transitions. [2021-11-25 06:51:11,848 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 2396 transitions. [2021-11-25 06:51:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:11,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:11,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:11,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:51:11,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:11,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:11,937 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 8 treesize of output 7 [2021-11-25 06:51:11,945 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 8 treesize of output 7 [2021-11-25 06:51:12,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:12,984 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:12,984 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:13,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:13,275 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 18 treesize of output 3 [2021-11-25 06:51:14,930 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:14,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 810 states and 2402 transitions. [2021-11-25 06:51:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 2402 transitions. [2021-11-25 06:51:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:14,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:14,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:15,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:51:15,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:15,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:51:15,095 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 13 treesize of output 12 [2021-11-25 06:51:15,109 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 13 treesize of output 12 [2021-11-25 06:51:16,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:16,580 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:16,581 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:16,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:16,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:18,496 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:18,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:18,526 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 812 states and 2408 transitions. [2021-11-25 06:51:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 2408 transitions. [2021-11-25 06:51:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:18,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:18,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:18,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:51:18,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:18,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:18,656 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 8 treesize of output 7 [2021-11-25 06:51:18,667 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 8 treesize of output 7 [2021-11-25 06:51:20,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:51:20,196 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:20,196 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:20,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:20,400 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 18 treesize of output 3 [2021-11-25 06:51:22,082 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:22,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 814 states and 2414 transitions. [2021-11-25 06:51:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 2414 transitions. [2021-11-25 06:51:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:22,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:22,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:22,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:51:22,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:22,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:22,578 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:22,579 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:22,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:22,666 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 18 treesize of output 3 [2021-11-25 06:51:24,394 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:24,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 816 states and 2420 transitions. [2021-11-25 06:51:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 2420 transitions. [2021-11-25 06:51:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:24,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:24,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:24,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:51:24,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:24,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:24,575 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 06:51:25,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:51:25,989 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:25,989 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:26,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:26,218 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 18 treesize of output 3 [2021-11-25 06:51:27,920 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:27,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 818 states and 2426 transitions. [2021-11-25 06:51:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2426 transitions. [2021-11-25 06:51:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:28,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:28,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:28,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:51:28,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:28,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:28,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:28,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:51:29,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:29,581 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:29,582 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:29,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:31,443 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:31,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:31,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 820 states and 2432 transitions. [2021-11-25 06:51:31,498 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 2432 transitions. [2021-11-25 06:51:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:31,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:31,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:31,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:51:31,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:31,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:31,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:51:31,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:32,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:32,663 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:32,663 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:32,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:32,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:34,534 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:34,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 822 states and 2438 transitions. [2021-11-25 06:51:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 2438 transitions. [2021-11-25 06:51:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:34,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:34,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:34,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:51:34,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:34,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:35,040 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:35,040 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:35,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:37,020 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:37,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 824 states and 2444 transitions. [2021-11-25 06:51:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 2444 transitions. [2021-11-25 06:51:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:37,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:37,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:37,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:51:37,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:37,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:37,537 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:37,537 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:37,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:39,448 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:39,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 826 states and 2450 transitions. [2021-11-25 06:51:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 2450 transitions. [2021-11-25 06:51:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:39,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:39,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:39,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:51:39,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:39,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:40,000 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:40,001 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:40,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:40,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:41,920 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:41,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 828 states and 2456 transitions. [2021-11-25 06:51:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 2456 transitions. [2021-11-25 06:51:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:41,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:41,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:42,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:51:42,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:42,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:42,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:51:42,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:51:43,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:43,657 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:43,657 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:43,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:45,470 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:45,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 830 states and 2462 transitions. [2021-11-25 06:51:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2462 transitions. [2021-11-25 06:51:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:45,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:45,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:45,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:51:45,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:45,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:45,660 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 8 treesize of output 7 [2021-11-25 06:51:45,673 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 8 treesize of output 7 [2021-11-25 06:51:47,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:47,312 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:47,313 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:47,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:47,473 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 18 treesize of output 3 [2021-11-25 06:51:49,139 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:49,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 832 states and 2468 transitions. [2021-11-25 06:51:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 2468 transitions. [2021-11-25 06:51:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:49,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:49,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:49,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:51:49,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:49,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:49,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:51:49,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:51:50,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:50,857 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:50,857 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:50,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:51,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:51:52,756 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:52,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 834 states and 2474 transitions. [2021-11-25 06:51:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 2474 transitions. [2021-11-25 06:51:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:52,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:52,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:52,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:51:52,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:53,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:51:53,277 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:51:53,278 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:51:53,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:51:53,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:55,063 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:55,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 836 states and 2480 transitions. [2021-11-25 06:51:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 2480 transitions. [2021-11-25 06:51:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:55,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:55,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:55,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:51:55,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:55,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:55,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:51:55,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:51:56,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:51:56,718 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:51:56,718 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:51:56,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:51:58,612 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:51:58,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:51:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 838 states and 2486 transitions. [2021-11-25 06:51:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 2486 transitions. [2021-11-25 06:51:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:51:58,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:58,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:58,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:51:58,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:58,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:51:58,781 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 8 treesize of output 7 [2021-11-25 06:51:58,792 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 8 treesize of output 7 [2021-11-25 06:52:00,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:00,275 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:00,275 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:00,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:00,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:02,195 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:02,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 840 states and 2492 transitions. [2021-11-25 06:52:02,258 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2492 transitions. [2021-11-25 06:52:02,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:02,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:02,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:02,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:52:02,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:02,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:52:02,762 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:52:02,763 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:52:02,827 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 18 treesize of output 3 [2021-11-25 06:52:04,764 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:04,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:04,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 842 states and 2498 transitions. [2021-11-25 06:52:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2498 transitions. [2021-11-25 06:52:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:04,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:04,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:04,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:52:04,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:04,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:04,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:04,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:06,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:06,447 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:06,447 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:06,576 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 18 treesize of output 3 [2021-11-25 06:52:08,453 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:08,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 844 states and 2504 transitions. [2021-11-25 06:52:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 2504 transitions. [2021-11-25 06:52:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:08,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:08,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:08,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:52:08,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:08,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:08,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:08,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:09,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:09,699 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:09,711 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:09,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:09,963 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 18 treesize of output 3 [2021-11-25 06:52:11,733 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:11,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 846 states and 2510 transitions. [2021-11-25 06:52:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 2510 transitions. [2021-11-25 06:52:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:11,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:11,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:11,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:52:11,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:11,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:11,890 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 8 treesize of output 7 [2021-11-25 06:52:11,902 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 8 treesize of output 7 [2021-11-25 06:52:13,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:13,486 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:13,486 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:13,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:15,441 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:15,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 848 states and 2516 transitions. [2021-11-25 06:52:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 2516 transitions. [2021-11-25 06:52:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:15,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:15,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:15,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:52:15,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:15,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:52:15,988 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:52:15,988 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:52:16,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:18,049 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:18,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:18,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 850 states and 2522 transitions. [2021-11-25 06:52:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 2522 transitions. [2021-11-25 06:52:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:18,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:18,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:18,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:52:18,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:18,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:18,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:18,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:19,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:52:19,307 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:19,308 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:19,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:21,376 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:21,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 852 states and 2528 transitions. [2021-11-25 06:52:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2528 transitions. [2021-11-25 06:52:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:21,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:21,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:21,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:52:21,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:21,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:52:21,901 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:52:21,901 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:52:21,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:52:23,847 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:23,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 854 states and 2534 transitions. [2021-11-25 06:52:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2534 transitions. [2021-11-25 06:52:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:23,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:23,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:23,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:52:23,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:24,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:24,016 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 8 treesize of output 7 [2021-11-25 06:52:24,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:25,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:25,618 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:25,619 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:25,714 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 18 treesize of output 3 [2021-11-25 06:52:27,537 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:27,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:27,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 856 states and 2540 transitions. [2021-11-25 06:52:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 2540 transitions. [2021-11-25 06:52:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:27,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:27,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:27,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:52:27,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:27,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:27,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:27,708 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 8 treesize of output 7 [2021-11-25 06:52:28,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:28,799 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:28,799 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:28,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:29,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:52:30,828 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:30,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 858 states and 2546 transitions. [2021-11-25 06:52:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 2546 transitions. [2021-11-25 06:52:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:30,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:30,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:30,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:52:30,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:31,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:52:31,382 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:52:31,382 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:52:31,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:31,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:52:33,382 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:33,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 860 states and 2552 transitions. [2021-11-25 06:52:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 2552 transitions. [2021-11-25 06:52:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:33,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:33,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:33,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:52:33,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:33,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:33,538 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 8 treesize of output 7 [2021-11-25 06:52:33,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:35,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:35,102 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:35,103 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:35,255 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 18 treesize of output 3 [2021-11-25 06:52:37,093 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:37,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 862 states and 2558 transitions. [2021-11-25 06:52:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2558 transitions. [2021-11-25 06:52:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:37,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:37,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:37,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:52:37,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:37,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:37,262 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 8 treesize of output 7 [2021-11-25 06:52:37,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:38,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:38,341 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:38,341 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:38,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:40,328 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:40,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 864 states and 2564 transitions. [2021-11-25 06:52:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2564 transitions. [2021-11-25 06:52:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:40,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:40,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:40,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:52:40,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:40,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:52:40,852 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:52:40,852 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:52:41,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:42,900 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:42,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 866 states and 2570 transitions. [2021-11-25 06:52:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2570 transitions. [2021-11-25 06:52:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:42,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:42,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:42,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:52:42,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:43,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 85 [2021-11-25 06:52:43,439 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-25 06:52:43,440 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 58 [2021-11-25 06:52:43,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:43,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:52:45,294 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:45,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 868 states and 2576 transitions. [2021-11-25 06:52:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 2576 transitions. [2021-11-25 06:52:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:45,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:45,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:45,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:52:45,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:45,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-11-25 06:52:45,446 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 13 treesize of output 12 [2021-11-25 06:52:45,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:46,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:46,489 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:46,489 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:46,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2021-11-25 06:52:48,555 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:48,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:48,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 870 states and 2582 transitions. [2021-11-25 06:52:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 2582 transitions. [2021-11-25 06:52:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:48,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:48,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:48,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:52:48,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:48,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:48,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:48,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 06:52:50,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:50,299 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:50,300 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:50,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:52,391 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:52,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:52,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 872 states and 2588 transitions. [2021-11-25 06:52:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 2588 transitions. [2021-11-25 06:52:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:52,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:52,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:52,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:52:52,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:52,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:52,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:52,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:54,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-11-25 06:52:54,236 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-25 06:52:54,236 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 61 [2021-11-25 06:52:54,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:52:54,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2021-11-25 06:52:56,409 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-11-25 06:52:56,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-25 06:52:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:56,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 874 states and 2594 transitions. [2021-11-25 06:52:56,464 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2594 transitions. [2021-11-25 06:52:56,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:56,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:56,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:56,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:52:56,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:56,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 06:52:56,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 06:52:56,593 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 8 treesize of output 7