./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array3_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array3_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN --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 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:47:28,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:47:28,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:47:28,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:47:28,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:47:28,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:47:28,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:47:28,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:47:29,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:47:29,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:47:29,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:47:29,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:47:29,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:47:29,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:47:29,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:47:29,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:47:29,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:47:29,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:47:29,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:47:29,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:47:29,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:47:29,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:47:29,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:47:29,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:47:29,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:47:29,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:47:29,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:47:29,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:47:29,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:47:29,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:47:29,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:47:29,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:47:29,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:47:29,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:47:29,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:47:29,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:47:29,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:47:29,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:47:29,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:47:29,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:47:29,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:47:29,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:47:29,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:47:29,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:47:29,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:47:29,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:47:29,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:47:29,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:47:29,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:47:29,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:47:29,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:47:29,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:47:29,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:47:29,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:47:29,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:47:29,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:47:29,134 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:47:29,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:47:29,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:47:29,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:47:29,135 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:47:29,135 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:47:29,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:47:29,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:47:29,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:47:29,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:47:29,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:47:29,137 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:47:29,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:47:29,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:47:29,137 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_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 [2021-11-21 04:47:29,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:47:29,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:47:29,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:47:29,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:47:29,461 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:47:29,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array3_pattern.c [2021-11-21 04:47:29,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/data/6fbf1eb2a/1a66a947f697433eb4668d948d3d408d/FLAG1e6b97ca8 [2021-11-21 04:47:29,965 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:47:29,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/sv-benchmarks/c/array-patterns/array3_pattern.c [2021-11-21 04:47:29,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/data/6fbf1eb2a/1a66a947f697433eb4668d948d3d408d/FLAG1e6b97ca8 [2021-11-21 04:47:30,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/data/6fbf1eb2a/1a66a947f697433eb4668d948d3d408d [2021-11-21 04:47:30,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:47:30,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:47:30,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:47:30,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:47:30,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:47:30,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225682e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30, skipping insertion in model container [2021-11-21 04:47:30,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:47:30,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:47:30,514 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_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2021-11-21 04:47:30,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:47:30,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:47:30,556 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_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2021-11-21 04:47:30,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:47:30,607 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:47:30,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30 WrapperNode [2021-11-21 04:47:30,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:47:30,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:47:30,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:47:30,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:47:30,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,676 INFO L137 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2021-11-21 04:47:30,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:47:30,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:47:30,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:47:30,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:47:30,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:47:30,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:47:30,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:47:30,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:47:30,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:47:30" (1/1) ... [2021-11-21 04:47:30,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:47:30,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:47:30,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:47:30,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7e86fa-a0b2-49be-ba64-f9a8ea068fc0/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:47:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:47:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 04:47:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 04:47:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:47:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:47:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:47:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure square [2021-11-21 04:47:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure square [2021-11-21 04:47:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:47:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:47:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:47:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:47:30,890 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:47:30,892 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:47:31,108 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:47:31,144 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:47:31,144 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 04:47:31,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:47:31 BoogieIcfgContainer [2021-11-21 04:47:31,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:47:31,148 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:47:31,148 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:47:31,158 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:47:31,159 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:47:31" (1/1) ... [2021-11-21 04:47:31,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:47:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-21 04:47:31,226 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-21 04:47:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:47:31,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:31,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-21 04:47:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-21 04:47:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:47:31,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:31,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:31,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:47:31,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:47:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 32 transitions. [2021-11-21 04:47:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-21 04:47:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:47:31,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:31,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:32,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 04:47:32,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:47:32,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:32,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 45 transitions. [2021-11-21 04:47:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-21 04:47:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:32,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:32,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:32,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:47:32,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:32,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:32,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:33,532 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:47:33,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:47:33,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:33,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:33,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:33,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:47:33,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 67 [2021-11-21 04:47:35,025 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:35,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 47 states and 96 transitions. [2021-11-21 04:47:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2021-11-21 04:47:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:37,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:37,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:37,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-21 04:47:37,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:37,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:37,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:38,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:38,305 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:47:38,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:47:38,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:38,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:38,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:47:38,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 65 [2021-11-21 04:47:39,400 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:39,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 49 states and 104 transitions. [2021-11-21 04:47:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 104 transitions. [2021-11-21 04:47:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:39,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:39,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:39,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:47:39,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:39,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:39,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:40,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:40,111 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:47:40,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:47:40,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:40,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:47:40,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 63 [2021-11-21 04:47:41,181 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:41,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 51 states and 112 transitions. [2021-11-21 04:47:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 112 transitions. [2021-11-21 04:47:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:41,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:41,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:41,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:47:41,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:41,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:41,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:41,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:41,783 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:47:41,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:47:41,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:41,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:41,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 50 [2021-11-21 04:47:42,837 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:42,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 53 states and 120 transitions. [2021-11-21 04:47:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 120 transitions. [2021-11-21 04:47:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:42,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:42,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:43,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:47:43,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:43,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:43,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:43,811 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:47:43,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:47:43,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:43,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:43,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 63 [2021-11-21 04:47:44,869 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:44,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 128 transitions. [2021-11-21 04:47:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 128 transitions. [2021-11-21 04:47:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:45,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:45,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:45,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:47:45,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:45,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:45,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:45,795 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:47:45,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:47:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:45,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 62 [2021-11-21 04:47:46,789 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:46,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 57 states and 136 transitions. [2021-11-21 04:47:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 136 transitions. [2021-11-21 04:47:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:46,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:46,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:47,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-21 04:47:47,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:47,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:47,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:47,454 INFO L354 Elim1Store]: treesize reduction 397, result has 10.0 percent of original size [2021-11-21 04:47:47,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 159 [2021-11-21 04:47:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:47,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 53 [2021-11-21 04:47:48,359 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:48,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:48,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 59 states and 144 transitions. [2021-11-21 04:47:48,472 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 144 transitions. [2021-11-21 04:47:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:48,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:48,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:48,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:47:48,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:48,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:48,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:48,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:49,058 INFO L354 Elim1Store]: treesize reduction 397, result has 10.0 percent of original size [2021-11-21 04:47:49,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 159 [2021-11-21 04:47:49,093 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:49,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:49,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 62 [2021-11-21 04:47:49,967 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:49,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 61 states and 152 transitions. [2021-11-21 04:47:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 152 transitions. [2021-11-21 04:47:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:50,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:50,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:50,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:47:50,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:50,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:50,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:50,692 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:47:50,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:47:50,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:50,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:50,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 45 [2021-11-21 04:47:51,734 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:51,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 63 states and 160 transitions. [2021-11-21 04:47:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 160 transitions. [2021-11-21 04:47:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:51,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:51,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:51,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:47:51,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:51,945 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 10 treesize of output 8 [2021-11-21 04:47:51,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:52,390 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:47:52,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:47:52,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:52,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 62 [2021-11-21 04:47:53,354 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:53,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 65 states and 168 transitions. [2021-11-21 04:47:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 168 transitions. [2021-11-21 04:47:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:53,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:53,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:53,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:47:53,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:53,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:53,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:53,911 INFO L354 Elim1Store]: treesize reduction 397, result has 10.0 percent of original size [2021-11-21 04:47:53,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 159 [2021-11-21 04:47:53,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:53,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 47 [2021-11-21 04:47:54,840 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:54,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 67 states and 176 transitions. [2021-11-21 04:47:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 176 transitions. [2021-11-21 04:47:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:54,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:54,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:54,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:47:54,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:55,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:55,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:55,404 INFO L354 Elim1Store]: treesize reduction 397, result has 10.0 percent of original size [2021-11-21 04:47:55,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 159 [2021-11-21 04:47:55,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:55,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 60 [2021-11-21 04:47:56,383 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:56,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 184 transitions. [2021-11-21 04:47:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 184 transitions. [2021-11-21 04:47:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:56,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:56,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:56,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:47:56,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:56,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:47:56,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:57,129 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:47:57,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:47:57,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:47:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:57,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 63 [2021-11-21 04:47:58,269 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:58,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 71 states and 192 transitions. [2021-11-21 04:47:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 192 transitions. [2021-11-21 04:47:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:58,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:58,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:58,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:47:58,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:47:58,429 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 10 treesize of output 8 [2021-11-21 04:47:58,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:47:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:58,796 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:47:58,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:47:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:47:58,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-11-21 04:47:59,944 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:47:59,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:47:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 73 states and 200 transitions. [2021-11-21 04:48:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 200 transitions. [2021-11-21 04:48:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:00,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:00,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:00,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:48:00,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:00,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:00,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:00,427 INFO L354 Elim1Store]: treesize reduction 397, result has 10.0 percent of original size [2021-11-21 04:48:00,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 159 [2021-11-21 04:48:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:00,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 55 [2021-11-21 04:48:01,539 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:01,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 75 states and 208 transitions. [2021-11-21 04:48:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 208 transitions. [2021-11-21 04:48:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:01,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:01,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:01,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:01,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:01,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:01,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:02,106 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:48:02,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:48:02,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:02,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:02,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:02,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 63 [2021-11-21 04:48:03,436 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:03,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 77 states and 216 transitions. [2021-11-21 04:48:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 216 transitions. [2021-11-21 04:48:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:03,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:03,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:03,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:03,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:03,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:03,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:03,946 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:48:03,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:48:03,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:04,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 62 [2021-11-21 04:48:05,172 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:05,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 79 states and 224 transitions. [2021-11-21 04:48:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 224 transitions. [2021-11-21 04:48:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:05,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:05,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:05,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:48:05,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:05,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:05,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:05,648 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:48:05,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:48:05,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:05,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:05,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 58 [2021-11-21 04:48:07,014 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:07,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 81 states and 232 transitions. [2021-11-21 04:48:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 232 transitions. [2021-11-21 04:48:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:07,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:07,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:07,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:07,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:07,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:07,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:07,577 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:48:07,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:48:07,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:07,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:07,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 48 [2021-11-21 04:48:08,927 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:08,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 83 states and 240 transitions. [2021-11-21 04:48:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 240 transitions. [2021-11-21 04:48:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:09,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:09,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:09,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:09,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:09,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:09,489 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:48:09,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:48:09,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:09,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 45 [2021-11-21 04:48:10,801 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:10,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 85 states and 248 transitions. [2021-11-21 04:48:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 248 transitions. [2021-11-21 04:48:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:10,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:10,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:10,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:10,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:10,947 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 10 treesize of output 8 [2021-11-21 04:48:10,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:11,332 INFO L354 Elim1Store]: treesize reduction 397, result has 10.0 percent of original size [2021-11-21 04:48:11,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 159 [2021-11-21 04:48:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:11,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 62 [2021-11-21 04:48:12,707 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:12,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 87 states and 256 transitions. [2021-11-21 04:48:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 256 transitions. [2021-11-21 04:48:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:12,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:12,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:12,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:48:12,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:12,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:12,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:13,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:13,191 INFO L354 Elim1Store]: treesize reduction 408, result has 7.5 percent of original size [2021-11-21 04:48:13,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 148 [2021-11-21 04:48:13,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:13,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 30 [2021-11-21 04:48:14,678 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:14,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 89 states and 264 transitions. [2021-11-21 04:48:14,796 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 264 transitions. [2021-11-21 04:48:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:14,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:14,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:14,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:14,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:14,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:14,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:15,311 INFO L354 Elim1Store]: treesize reduction 397, result has 10.0 percent of original size [2021-11-21 04:48:15,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 159 [2021-11-21 04:48:15,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:15,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 36 [2021-11-21 04:48:16,732 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:16,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 91 states and 272 transitions. [2021-11-21 04:48:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 272 transitions. [2021-11-21 04:48:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:16,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:16,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:16,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:16,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:16,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:16,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:17,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:17,315 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:48:17,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:48:17,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:17,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:17,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 63 [2021-11-21 04:48:18,752 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:18,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:18,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 93 states and 280 transitions. [2021-11-21 04:48:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 280 transitions. [2021-11-21 04:48:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:18,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:18,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:18,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:48:18,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:18,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:18,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:19,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:19,215 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:48:19,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:48:19,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:19,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:19,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 58 [2021-11-21 04:48:20,792 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:20,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 95 states and 288 transitions. [2021-11-21 04:48:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 288 transitions. [2021-11-21 04:48:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:20,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:20,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:20,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:48:20,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:20,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:21,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:21,369 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-21 04:48:21,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 163 [2021-11-21 04:48:21,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:21,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:21,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:21,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 65 [2021-11-21 04:48:22,890 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:22,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 97 states and 296 transitions. [2021-11-21 04:48:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 296 transitions. [2021-11-21 04:48:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:22,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:22,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:23,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:23,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:23,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:23,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:23,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:23,832 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:48:23,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:48:23,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:24,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:24,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 81 [2021-11-21 04:48:25,765 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:25,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 99 states and 304 transitions. [2021-11-21 04:48:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 304 transitions. [2021-11-21 04:48:26,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:26,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:26,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:26,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:26,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:26,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:26,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:26,707 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:48:26,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:48:26,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:26,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:26,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:26,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 71 [2021-11-21 04:48:28,587 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:28,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 101 states and 312 transitions. [2021-11-21 04:48:28,692 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 312 transitions. [2021-11-21 04:48:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:28,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:28,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:28,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:28,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:28,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:28,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:29,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:29,095 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:48:29,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:48:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:29,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-21 04:48:31,016 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:31,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 104 states and 323 transitions. [2021-11-21 04:48:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 323 transitions. [2021-11-21 04:48:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:31,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:31,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:31,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:31,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:31,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:32,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:48:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:32,442 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:48:32,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:48:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:32,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 72 [2021-11-21 04:48:34,285 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:34,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 106 states and 331 transitions. [2021-11-21 04:48:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 331 transitions. [2021-11-21 04:48:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:34,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:34,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:34,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:34,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:34,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:34,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:35,065 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:48:35,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:48:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:35,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-21 04:48:37,015 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:37,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 108 states and 339 transitions. [2021-11-21 04:48:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 339 transitions. [2021-11-21 04:48:37,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:37,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:37,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:37,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:37,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:37,281 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 10 treesize of output 8 [2021-11-21 04:48:37,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:37,690 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:48:37,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:48:37,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:37,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:37,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 81 [2021-11-21 04:48:39,933 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:39,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:39,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:40,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 110 states and 347 transitions. [2021-11-21 04:48:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 347 transitions. [2021-11-21 04:48:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:40,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:40,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:40,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:48:40,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:40,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:40,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:40,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:40,609 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:48:40,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:48:40,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:40,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-21 04:48:42,745 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:42,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 112 states and 355 transitions. [2021-11-21 04:48:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 355 transitions. [2021-11-21 04:48:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:42,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:42,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:43,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:43,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:43,063 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 10 treesize of output 8 [2021-11-21 04:48:43,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:43,551 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:48:43,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:48:43,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:43,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:43,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 57 [2021-11-21 04:48:45,648 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:45,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 114 states and 363 transitions. [2021-11-21 04:48:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 363 transitions. [2021-11-21 04:48:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:45,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:45,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:45,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:48:45,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:45,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:45,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:46,718 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:48:46,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:48:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:46,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2021-11-21 04:48:48,960 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:48,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 116 states and 371 transitions. [2021-11-21 04:48:49,806 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 371 transitions. [2021-11-21 04:48:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:49,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:49,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:49,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:48:49,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:49,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:49,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:50,232 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:48:50,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:48:50,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:50,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:50,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:50,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:50,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 81 [2021-11-21 04:48:52,472 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:52,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 118 states and 379 transitions. [2021-11-21 04:48:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 379 transitions. [2021-11-21 04:48:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:52,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:52,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:52,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 04:48:52,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:52,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:52,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:53,146 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:48:53,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:48:53,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:53,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2021-11-21 04:48:55,470 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:55,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 120 states and 387 transitions. [2021-11-21 04:48:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 387 transitions. [2021-11-21 04:48:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:56,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:56,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:56,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:56,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:56,244 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 10 treesize of output 8 [2021-11-21 04:48:56,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:56,573 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:48:56,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:48:56,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:56,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:56,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 71 [2021-11-21 04:48:58,967 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:48:58,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:48:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 122 states and 395 transitions. [2021-11-21 04:48:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 395 transitions. [2021-11-21 04:48:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:59,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:59,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:59,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:48:59,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:48:59,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:48:59,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:48:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:59,561 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:48:59,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:48:59,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:48:59,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:48:59,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:48:59,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 73 [2021-11-21 04:49:01,884 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:01,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 124 states and 403 transitions. [2021-11-21 04:49:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 403 transitions. [2021-11-21 04:49:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:01,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:01,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:02,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:02,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:02,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:02,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:49:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:02,432 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:49:02,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:49:02,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:02,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:49:02,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 57 [2021-11-21 04:49:04,852 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:04,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 126 states and 411 transitions. [2021-11-21 04:49:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 411 transitions. [2021-11-21 04:49:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:04,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:04,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:05,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-21 04:49:05,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:05,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:05,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:49:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:05,573 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:49:05,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:49:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:05,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 70 [2021-11-21 04:49:08,107 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:08,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 128 states and 419 transitions. [2021-11-21 04:49:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 419 transitions. [2021-11-21 04:49:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:08,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:08,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:08,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:08,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:08,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:08,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:08,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:08,761 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:49:08,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:49:08,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:08,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:08,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:08,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:49:08,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 81 [2021-11-21 04:49:11,383 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:11,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 130 states and 427 transitions. [2021-11-21 04:49:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 427 transitions. [2021-11-21 04:49:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:11,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:11,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:11,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:11,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:11,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:11,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:11,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:11,891 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:49:11,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:49:11,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:12,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:49:12,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 04:49:14,492 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:14,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 132 states and 435 transitions. [2021-11-21 04:49:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 435 transitions. [2021-11-21 04:49:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:14,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:14,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:14,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-21 04:49:14,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:14,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:14,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:15,037 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:49:15,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:49:15,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:15,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:49:15,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 71 [2021-11-21 04:49:17,729 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:17,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 134 states and 443 transitions. [2021-11-21 04:49:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 443 transitions. [2021-11-21 04:49:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:17,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:17,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:17,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:49:17,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:17,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:17,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:18,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:18,577 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:49:18,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:49:18,628 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:18,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 81 [2021-11-21 04:49:21,241 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:21,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 136 states and 451 transitions. [2021-11-21 04:49:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 451 transitions. [2021-11-21 04:49:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:21,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:21,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:21,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:49:21,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:21,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:21,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:22,242 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:49:22,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:49:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:22,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 70 [2021-11-21 04:49:24,883 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:24,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 138 states and 459 transitions. [2021-11-21 04:49:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 459 transitions. [2021-11-21 04:49:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:25,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:25,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:25,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:25,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:25,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:25,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:49:25,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:25,571 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:49:25,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:49:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:25,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-21 04:49:28,378 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:28,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 140 states and 467 transitions. [2021-11-21 04:49:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 467 transitions. [2021-11-21 04:49:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:28,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:28,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:28,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:28,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:28,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:28,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:28,943 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:49:28,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:49:28,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:29,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:29,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:49:29,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 73 [2021-11-21 04:49:31,615 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:31,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 142 states and 475 transitions. [2021-11-21 04:49:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 475 transitions. [2021-11-21 04:49:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:31,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:31,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:31,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:31,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:31,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:31,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:32,159 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:49:32,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:49:32,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:32,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:32,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:32,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:49:32,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 57 [2021-11-21 04:49:35,433 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:35,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 144 states and 483 transitions. [2021-11-21 04:49:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 483 transitions. [2021-11-21 04:49:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:35,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:35,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:35,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:49:35,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:35,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:35,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:36,004 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:49:36,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:49:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:36,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 71 [2021-11-21 04:49:38,926 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:38,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 146 states and 491 transitions. [2021-11-21 04:49:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 491 transitions. [2021-11-21 04:49:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:39,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:39,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:39,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:49:39,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:39,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:39,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:39,787 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:49:39,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:49:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:39,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 70 [2021-11-21 04:49:43,165 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:43,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 148 states and 499 transitions. [2021-11-21 04:49:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 499 transitions. [2021-11-21 04:49:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:43,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:43,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:43,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:49:43,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:43,384 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 10 treesize of output 8 [2021-11-21 04:49:43,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:44,158 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:49:44,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:49:44,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:49:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:44,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-11-21 04:49:47,169 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:47,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 150 states and 507 transitions. [2021-11-21 04:49:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 507 transitions. [2021-11-21 04:49:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:47,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:47,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:47,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:47,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:47,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:47,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:47,982 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:49:47,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:49:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:48,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 69 [2021-11-21 04:49:50,971 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:50,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 152 states and 515 transitions. [2021-11-21 04:49:51,111 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 515 transitions. [2021-11-21 04:49:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:51,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:51,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:51,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:49:51,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:51,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:51,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:51,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:51,886 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:49:51,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:49:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:51,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 69 [2021-11-21 04:49:55,214 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:55,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:55,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 154 states and 523 transitions. [2021-11-21 04:49:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 523 transitions. [2021-11-21 04:49:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:55,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:55,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:55,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:49:55,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:55,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:55,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:56,219 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:49:56,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:49:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:49:56,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 49 [2021-11-21 04:49:59,473 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:49:59,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:49:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 156 states and 531 transitions. [2021-11-21 04:49:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 531 transitions. [2021-11-21 04:49:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:49:59,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:59,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:59,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:49:59,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:49:59,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:49:59,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:49:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:00,052 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:50:00,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:50:00,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:50:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:00,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 81 [2021-11-21 04:50:03,511 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:03,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 158 states and 539 transitions. [2021-11-21 04:50:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 539 transitions. [2021-11-21 04:50:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:03,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:03,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:03,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:50:03,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:03,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:03,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:04,469 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:50:04,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:50:04,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:04,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 49 [2021-11-21 04:50:07,814 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:07,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 160 states and 547 transitions. [2021-11-21 04:50:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 547 transitions. [2021-11-21 04:50:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:07,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:07,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:08,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:08,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:08,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:08,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:08,421 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:50:08,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:50:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:08,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 70 [2021-11-21 04:50:12,269 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:12,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:12,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 162 states and 555 transitions. [2021-11-21 04:50:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 555 transitions. [2021-11-21 04:50:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:12,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:12,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:12,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:50:12,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:12,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:12,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:12,842 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:50:12,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:50:12,913 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:50:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:12,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:12,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:50:12,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 71 [2021-11-21 04:50:16,411 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:16,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 164 states and 563 transitions. [2021-11-21 04:50:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 563 transitions. [2021-11-21 04:50:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:16,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:16,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:16,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:50:16,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:16,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:16,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:17,022 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:50:17,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:50:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:17,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-21 04:50:20,648 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:20,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 166 states and 571 transitions. [2021-11-21 04:50:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 571 transitions. [2021-11-21 04:50:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:20,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:20,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:20,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:20,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:20,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:20,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:21,377 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:50:21,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:50:21,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:21,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 34 [2021-11-21 04:50:25,077 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:25,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 168 states and 579 transitions. [2021-11-21 04:50:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 579 transitions. [2021-11-21 04:50:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:25,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:25,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:25,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:25,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:25,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:25,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:25,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:25,699 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:50:25,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:50:25,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:25,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 49 [2021-11-21 04:50:29,718 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:29,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:29,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 170 states and 587 transitions. [2021-11-21 04:50:29,887 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 587 transitions. [2021-11-21 04:50:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:29,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:29,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:29,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:29,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:29,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:29,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:50:30,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:30,424 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:50:30,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:50:30,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:50:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:30,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:50:30,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 58 [2021-11-21 04:50:34,350 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:34,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 172 states and 595 transitions. [2021-11-21 04:50:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 595 transitions. [2021-11-21 04:50:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:34,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:34,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:34,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:34,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:34,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:34,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:35,004 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:50:35,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:50:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:35,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:50:35,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 73 [2021-11-21 04:50:38,705 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:38,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 174 states and 603 transitions. [2021-11-21 04:50:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 603 transitions. [2021-11-21 04:50:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:38,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:38,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:38,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:50:38,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:38,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:38,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:39,686 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:50:39,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:50:39,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:50:39,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:39,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2021-11-21 04:50:43,908 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:43,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 176 states and 611 transitions. [2021-11-21 04:50:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 611 transitions. [2021-11-21 04:50:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:44,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:44,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:44,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:44,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:44,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:44,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:44,871 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:50:44,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:50:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:45,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 71 [2021-11-21 04:50:48,539 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:48,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:48,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 178 states and 619 transitions. [2021-11-21 04:50:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 619 transitions. [2021-11-21 04:50:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:48,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:48,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:48,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:50:48,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:48,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:48,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:49,136 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:50:49,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:50:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:49,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-21 04:50:53,126 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:53,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:53,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 180 states and 627 transitions. [2021-11-21 04:50:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 627 transitions. [2021-11-21 04:50:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:53,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:53,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:53,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:53,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:53,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:50:53,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:53,842 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:50:53,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:50:53,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:50:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:54,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:54,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:50:54,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 81 [2021-11-21 04:50:57,519 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:50:57,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:50:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 182 states and 635 transitions. [2021-11-21 04:50:57,716 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 635 transitions. [2021-11-21 04:50:57,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:50:57,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:57,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:57,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:50:57,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:50:57,778 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 10 treesize of output 8 [2021-11-21 04:50:57,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:50:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:58,131 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:50:58,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:50:58,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:58,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:50:58,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:50:58,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 04:51:02,380 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:02,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 184 states and 643 transitions. [2021-11-21 04:51:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 643 transitions. [2021-11-21 04:51:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:02,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:02,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:02,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:51:02,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:02,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:02,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:03,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:03,528 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:51:03,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:51:03,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:03,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 56 [2021-11-21 04:51:08,096 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:08,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 186 states and 651 transitions. [2021-11-21 04:51:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 651 transitions. [2021-11-21 04:51:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:08,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:08,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:08,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:51:08,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:08,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:08,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:09,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:09,182 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:51:09,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:51:09,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:09,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:09,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:09,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:51:09,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 58 [2021-11-21 04:51:13,455 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:13,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 188 states and 659 transitions. [2021-11-21 04:51:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 659 transitions. [2021-11-21 04:51:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:13,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:13,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:13,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:51:13,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:13,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:13,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:14,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:14,099 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:51:14,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:51:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:14,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 54 [2021-11-21 04:51:18,329 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:18,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 190 states and 667 transitions. [2021-11-21 04:51:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 667 transitions. [2021-11-21 04:51:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:18,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:18,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:18,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:51:18,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:18,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:18,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:18,958 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:51:18,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:51:19,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:19,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 69 [2021-11-21 04:51:23,549 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:23,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 192 states and 675 transitions. [2021-11-21 04:51:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 675 transitions. [2021-11-21 04:51:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:23,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:23,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:23,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:51:23,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:23,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:23,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:24,309 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:51:24,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:51:24,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:24,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:51:24,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 80 [2021-11-21 04:51:28,592 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:28,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:28,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 194 states and 683 transitions. [2021-11-21 04:51:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 683 transitions. [2021-11-21 04:51:28,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:28,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:28,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:28,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:51:28,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:28,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:28,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:29,271 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:51:29,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:51:29,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:29,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 57 [2021-11-21 04:51:34,174 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:34,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 196 states and 691 transitions. [2021-11-21 04:51:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 691 transitions. [2021-11-21 04:51:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:34,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:34,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:34,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:51:34,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:34,435 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 10 treesize of output 8 [2021-11-21 04:51:34,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:35,245 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:51:35,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:51:35,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:35,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 72 [2021-11-21 04:51:39,895 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:39,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 198 states and 699 transitions. [2021-11-21 04:51:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 699 transitions. [2021-11-21 04:51:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:40,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:40,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:40,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:51:40,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:40,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:40,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:40,544 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:51:40,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:51:40,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:40,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:51:40,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 58 [2021-11-21 04:51:45,575 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:45,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 200 states and 707 transitions. [2021-11-21 04:51:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 707 transitions. [2021-11-21 04:51:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:45,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:45,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:45,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:51:45,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:45,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:45,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:46,424 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:51:46,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:51:46,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:46,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:46,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 81 [2021-11-21 04:51:51,770 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:51,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 202 states and 715 transitions. [2021-11-21 04:51:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 715 transitions. [2021-11-21 04:51:52,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:52,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:52,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:52,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:51:52,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:52,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:52,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:52,537 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:51:52,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:51:52,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:52,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:52,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 58 [2021-11-21 04:51:58,217 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:51:58,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:51:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 204 states and 723 transitions. [2021-11-21 04:51:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 723 transitions. [2021-11-21 04:51:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:51:58,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:58,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:58,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:51:58,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:51:58,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:51:58,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:51:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:58,899 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:51:58,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:51:59,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:51:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:51:59,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 71 [2021-11-21 04:52:03,617 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:03,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 206 states and 731 transitions. [2021-11-21 04:52:03,851 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 731 transitions. [2021-11-21 04:52:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:03,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:03,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:03,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:52:03,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:03,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:03,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:04,737 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:52:04,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:52:04,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:52:05,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:05,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:52:05,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 57 [2021-11-21 04:52:09,435 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:09,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 208 states and 739 transitions. [2021-11-21 04:52:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 739 transitions. [2021-11-21 04:52:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:09,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:09,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:09,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:52:09,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:09,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:09,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:10,277 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:52:10,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:52:10,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:52:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:10,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 78 [2021-11-21 04:52:15,442 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:15,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 210 states and 747 transitions. [2021-11-21 04:52:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 747 transitions. [2021-11-21 04:52:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:15,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:15,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:15,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:52:15,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:15,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:15,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:16,784 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:52:16,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:52:16,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:52:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:17,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 71 [2021-11-21 04:52:22,032 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:22,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 212 states and 755 transitions. [2021-11-21 04:52:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 755 transitions. [2021-11-21 04:52:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:22,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:22,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:22,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:52:22,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:22,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:22,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:22,767 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:52:22,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:52:22,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:52:23,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:23,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 35 [2021-11-21 04:52:27,974 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:27,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 214 states and 763 transitions. [2021-11-21 04:52:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 763 transitions. [2021-11-21 04:52:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:28,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:28,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:28,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:52:28,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:28,343 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 10 treesize of output 8 [2021-11-21 04:52:28,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:28,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:28,720 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:52:28,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:52:28,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:52:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:29,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 58 [2021-11-21 04:52:34,164 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:34,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 216 states and 771 transitions. [2021-11-21 04:52:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 771 transitions. [2021-11-21 04:52:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:34,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:34,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:34,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:52:34,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:34,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:34,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:35,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:35,447 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:52:35,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:52:35,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:52:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:35,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 79 [2021-11-21 04:52:40,793 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:40,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 218 states and 779 transitions. [2021-11-21 04:52:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 779 transitions. [2021-11-21 04:52:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:41,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:41,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:41,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:52:41,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:41,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:41,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:42,100 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:52:42,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:52:42,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:52:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:42,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 81 [2021-11-21 04:52:47,514 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:47,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 220 states and 787 transitions. [2021-11-21 04:52:47,784 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 787 transitions. [2021-11-21 04:52:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:47,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:47,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:47,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:52:47,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:47,854 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 10 treesize of output 8 [2021-11-21 04:52:47,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:48,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:48,248 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:52:48,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:52:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:48,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 69 [2021-11-21 04:52:53,458 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:53,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 222 states and 795 transitions. [2021-11-21 04:52:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 795 transitions. [2021-11-21 04:52:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:53,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:53,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:53,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:52:53,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:53,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:53,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:52:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:54,252 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:52:54,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:52:54,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:52:54,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 71 [2021-11-21 04:52:59,455 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:52:59,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:52:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 224 states and 803 transitions. [2021-11-21 04:52:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 803 transitions. [2021-11-21 04:52:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:52:59,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:59,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:59,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:52:59,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:59,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:52:59,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:00,354 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:53:00,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:53:00,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:53:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:00,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 72 [2021-11-21 04:53:05,329 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:05,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 226 states and 811 transitions. [2021-11-21 04:53:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 811 transitions. [2021-11-21 04:53:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:05,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:05,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:05,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:53:05,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:05,663 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 10 treesize of output 8 [2021-11-21 04:53:05,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:06,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:06,081 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:53:06,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:53:06,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:06,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 50 [2021-11-21 04:53:11,283 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:11,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 228 states and 819 transitions. [2021-11-21 04:53:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 819 transitions. [2021-11-21 04:53:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:11,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:11,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:11,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:53:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:11,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:53:11,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:11,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:12,073 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:53:12,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:53:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:12,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 35 [2021-11-21 04:53:17,328 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:17,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 230 states and 827 transitions. [2021-11-21 04:53:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 827 transitions. [2021-11-21 04:53:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:17,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:17,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:17,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:53:17,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:17,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:53:17,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:53:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:18,039 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:53:18,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:53:18,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:53:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:18,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:53:18,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 73 [2021-11-21 04:53:23,481 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:23,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 232 states and 835 transitions. [2021-11-21 04:53:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 835 transitions. [2021-11-21 04:53:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:23,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:23,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:23,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:53:23,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:23,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:53:23,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:24,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:24,291 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:53:24,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:53:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:24,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 70 [2021-11-21 04:53:29,344 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:29,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 234 states and 843 transitions. [2021-11-21 04:53:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 843 transitions. [2021-11-21 04:53:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:29,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:29,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:29,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:53:29,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:29,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:53:29,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:30,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:30,696 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:53:30,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:53:30,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:53:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:31,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 59 [2021-11-21 04:53:36,691 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:36,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:36,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 236 states and 851 transitions. [2021-11-21 04:53:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 851 transitions. [2021-11-21 04:53:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:36,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:53:37,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:37,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:38,006 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:53:38,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:53:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:38,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 69 [2021-11-21 04:53:43,095 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:43,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 238 states and 859 transitions. [2021-11-21 04:53:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 859 transitions. [2021-11-21 04:53:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:43,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:53:43,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:44,456 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:53:44,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:53:44,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:53:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:44,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:44,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:53:44,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 82 [2021-11-21 04:53:50,282 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:50,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 240 states and 867 transitions. [2021-11-21 04:53:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 867 transitions. [2021-11-21 04:53:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:50,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,669 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 10 treesize of output 8 [2021-11-21 04:53:50,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:51,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:51,116 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:53:51,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:53:51,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:51,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 55 [2021-11-21 04:53:57,492 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:53:57,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:53:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 242 states and 875 transitions. [2021-11-21 04:53:57,789 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 875 transitions. [2021-11-21 04:53:57,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:53:57,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:53:57,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:53:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:58,244 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:53:58,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:53:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:53:58,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 70 [2021-11-21 04:54:03,926 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:03,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 244 states and 883 transitions. [2021-11-21 04:54:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 883 transitions. [2021-11-21 04:54:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:04,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:54:04,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:54:05,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:05,364 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:54:05,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:54:05,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:54:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:05,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:54:05,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 80 [2021-11-21 04:54:10,954 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:10,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 246 states and 891 transitions. [2021-11-21 04:54:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 891 transitions. [2021-11-21 04:54:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:11,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:54:11,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:54:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:11,737 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:54:11,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:54:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:11,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:54:11,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 04:54:17,419 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:17,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 248 states and 899 transitions. [2021-11-21 04:54:17,736 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 899 transitions. [2021-11-21 04:54:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:17,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,803 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 10 treesize of output 8 [2021-11-21 04:54:17,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:54:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:18,184 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:54:18,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:54:18,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:54:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:18,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 82 [2021-11-21 04:54:24,932 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:24,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 250 states and 907 transitions. [2021-11-21 04:54:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 907 transitions. [2021-11-21 04:54:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:25,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:54:25,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:54:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:25,742 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:54:25,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:54:25,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:54:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:26,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 59 [2021-11-21 04:54:31,803 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:31,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 252 states and 915 transitions. [2021-11-21 04:54:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 915 transitions. [2021-11-21 04:54:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:32,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:54:32,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:54:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:32,852 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:54:32,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:54:32,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:54:33,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:33,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:54:33,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 56 [2021-11-21 04:54:38,772 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:38,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:39,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 254 states and 923 transitions. [2021-11-21 04:54:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 923 transitions. [2021-11-21 04:54:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:39,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:54:39,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:54:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:40,631 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:54:40,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:54:40,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:40,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 79 [2021-11-21 04:54:47,483 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:47,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 256 states and 931 transitions. [2021-11-21 04:54:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 931 transitions. [2021-11-21 04:54:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:48,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:54:48,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:54:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:49,159 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:54:49,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:54:49,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:54:49,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:49,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 80 [2021-11-21 04:54:54,958 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:54:54,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:54:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 258 states and 939 transitions. [2021-11-21 04:54:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 939 transitions. [2021-11-21 04:54:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:54:55,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:54:55,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:54:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:55,786 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:54:55,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:54:55,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:54:56,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:54:56,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 57 [2021-11-21 04:55:02,936 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:02,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:03,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 260 states and 947 transitions. [2021-11-21 04:55:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 947 transitions. [2021-11-21 04:55:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:03,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:03,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:55:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:03,765 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:55:03,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:55:03,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:55:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:04,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:55:04,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 82 [2021-11-21 04:55:10,228 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:10,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 262 states and 955 transitions. [2021-11-21 04:55:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 955 transitions. [2021-11-21 04:55:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:10,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:10,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:55:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:11,090 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:55:11,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:55:11,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:55:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:11,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:55:11,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 81 [2021-11-21 04:55:17,838 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:17,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 264 states and 963 transitions. [2021-11-21 04:55:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 963 transitions. [2021-11-21 04:55:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:18,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:18,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:55:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:19,358 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:55:19,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:55:19,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:55:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:19,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:55:19,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 58 [2021-11-21 04:55:25,882 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:25,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 266 states and 971 transitions. [2021-11-21 04:55:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 971 transitions. [2021-11-21 04:55:26,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:26,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:26,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:26,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:55:26,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:26,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:26,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:55:26,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:26,708 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:55:26,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:55:26,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:26,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:55:26,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 04:55:33,246 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:33,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 268 states and 979 transitions. [2021-11-21 04:55:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 979 transitions. [2021-11-21 04:55:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:33,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:33,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:33,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:55:33,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:33,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:33,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:55:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:34,111 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:55:34,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:55:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:34,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-11-21 04:55:40,808 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:40,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:41,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 270 states and 987 transitions. [2021-11-21 04:55:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 987 transitions. [2021-11-21 04:55:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:41,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:41,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:41,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:55:41,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:41,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:41,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:55:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:41,810 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:55:41,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:55:41,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:55:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:42,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:55:42,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 57 [2021-11-21 04:55:48,415 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:48,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 272 states and 995 transitions. [2021-11-21 04:55:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 995 transitions. [2021-11-21 04:55:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:48,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:48,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:48,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-21 04:55:48,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:48,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:48,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:55:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:49,284 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:55:49,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:55:49,380 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:55:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:49,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:55:49,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 80 [2021-11-21 04:55:56,711 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:55:56,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:55:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 274 states and 1003 transitions. [2021-11-21 04:55:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 1003 transitions. [2021-11-21 04:55:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:55:57,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:57,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:57,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:55:57,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:57,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:55:57,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:55:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:57,552 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:55:57,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:55:57,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:55:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:55:58,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:55:58,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 04:56:04,024 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:56:04,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:56:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:04,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 276 states and 1011 transitions. [2021-11-21 04:56:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1011 transitions. [2021-11-21 04:56:04,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:56:04,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:04,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:04,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:56:04,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:56:04,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:56:04,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:56:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:04,878 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:56:04,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:56:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:05,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 79 [2021-11-21 04:56:12,454 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:56:12,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:56:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 278 states and 1019 transitions. [2021-11-21 04:56:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1019 transitions. [2021-11-21 04:56:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:56:12,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:12,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:12,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:56:12,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:56:12,902 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 10 treesize of output 8 [2021-11-21 04:56:12,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:56:13,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:14,091 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:56:14,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:56:14,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:56:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:14,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:56:14,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 82 [2021-11-21 04:56:21,332 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:56:21,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:56:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 280 states and 1027 transitions. [2021-11-21 04:56:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1027 transitions. [2021-11-21 04:56:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:56:21,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:21,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:21,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:56:21,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:56:21,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:56:21,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:56:22,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:22,955 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:56:22,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:56:23,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:23,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:23,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:56:23,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 04:56:29,736 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:56:29,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:56:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 282 states and 1035 transitions. [2021-11-21 04:56:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1035 transitions. [2021-11-21 04:56:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:56:30,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:30,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:30,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:56:30,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:56:30,181 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 10 treesize of output 8 [2021-11-21 04:56:30,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:56:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:31,402 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:56:31,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:56:31,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:56:31,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:31,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 58 [2021-11-21 04:56:38,643 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:56:38,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:56:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 284 states and 1043 transitions. [2021-11-21 04:56:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1043 transitions. [2021-11-21 04:56:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:56:39,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:39,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:39,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:56:39,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:56:39,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:56:39,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:56:39,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:39,611 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:56:39,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:56:39,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:56:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:39,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:56:39,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 58 [2021-11-21 04:56:47,364 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:56:47,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:56:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 286 states and 1051 transitions. [2021-11-21 04:56:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 1051 transitions. [2021-11-21 04:56:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:56:47,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:47,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:47,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:56:47,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:56:47,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:56:47,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:56:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:49,236 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:56:49,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:56:49,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:56:49,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:49,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 71 [2021-11-21 04:56:56,493 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:56:56,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:56:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 288 states and 1059 transitions. [2021-11-21 04:56:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 1059 transitions. [2021-11-21 04:56:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:56:56,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:56,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:56,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:56:56,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:56:57,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:56:57,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:56:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:57,658 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:56:57,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:56:57,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:56:57,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:56:57,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 71 [2021-11-21 04:57:04,271 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:57:04,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:57:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 290 states and 1067 transitions. [2021-11-21 04:57:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1067 transitions. [2021-11-21 04:57:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:04,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:04,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:04,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:57:04,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:57:04,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:57:04,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:57:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:05,446 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:57:05,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:57:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:05,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 72 [2021-11-21 04:57:12,324 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:57:12,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:57:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 292 states and 1075 transitions. [2021-11-21 04:57:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1075 transitions. [2021-11-21 04:57:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:12,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:12,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:12,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:57:12,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:57:12,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:57:12,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:57:13,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:14,026 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:57:14,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:57:14,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:57:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:14,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 35 [2021-11-21 04:57:22,311 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:57:22,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:57:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 294 states and 1083 transitions. [2021-11-21 04:57:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1083 transitions. [2021-11-21 04:57:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:22,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:22,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:22,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:57:22,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:57:22,803 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 10 treesize of output 8 [2021-11-21 04:57:22,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:57:23,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:23,284 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:57:23,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:57:23,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:57:23,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:23,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 81 [2021-11-21 04:57:31,136 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:57:31,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:57:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 296 states and 1091 transitions. [2021-11-21 04:57:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1091 transitions. [2021-11-21 04:57:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:31,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:31,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:31,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:57:31,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:57:31,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:57:31,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:57:32,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:32,125 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:57:32,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:57:32,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:57:32,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:32,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:32,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:57:32,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 04:57:40,039 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:57:40,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:57:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 298 states and 1099 transitions. [2021-11-21 04:57:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1099 transitions. [2021-11-21 04:57:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:40,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:40,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:40,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:57:40,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:57:40,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:57:40,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:57:41,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:41,895 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:57:41,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:57:42,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:57:42,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:42,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 81 [2021-11-21 04:57:49,526 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:57:49,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:57:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 300 states and 1107 transitions. [2021-11-21 04:57:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1107 transitions. [2021-11-21 04:57:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:50,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:50,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:50,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:57:50,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:57:50,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:57:50,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:57:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:51,613 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:57:51,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:57:51,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:57:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:57:52,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 78 [2021-11-21 04:57:59,981 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:57:59,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:58:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 302 states and 1115 transitions. [2021-11-21 04:58:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1115 transitions. [2021-11-21 04:58:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:00,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:00,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:00,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:58:00,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:58:00,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:58:00,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:58:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:00,976 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:58:00,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:58:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:01,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:58:01,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 73 [2021-11-21 04:58:08,317 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:58:08,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:58:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 304 states and 1123 transitions. [2021-11-21 04:58:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1123 transitions. [2021-11-21 04:58:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:08,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:08,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:08,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:58:08,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:58:08,857 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 10 treesize of output 8 [2021-11-21 04:58:08,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:58:10,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:10,153 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:58:10,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:58:10,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:10,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-21 04:58:17,657 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:58:17,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:58:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 306 states and 1131 transitions. [2021-11-21 04:58:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1131 transitions. [2021-11-21 04:58:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:18,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:18,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:18,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:58:18,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:58:18,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:58:18,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:58:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:18,645 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:58:18,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:58:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:18,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 49 [2021-11-21 04:58:26,520 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:58:26,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:58:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 308 states and 1139 transitions. [2021-11-21 04:58:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1139 transitions. [2021-11-21 04:58:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:27,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:27,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:27,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:58:27,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:58:27,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:58:27,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:58:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:28,318 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:58:28,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:58:28,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:58:28,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:28,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 80 [2021-11-21 04:58:35,928 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:58:35,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:58:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 310 states and 1147 transitions. [2021-11-21 04:58:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1147 transitions. [2021-11-21 04:58:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:36,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:36,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:36,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:58:36,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:58:36,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:58:36,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:58:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:36,898 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:58:36,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:58:37,095 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:58:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:37,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 71 [2021-11-21 04:58:43,561 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:58:43,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:58:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 312 states and 1155 transitions. [2021-11-21 04:58:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1155 transitions. [2021-11-21 04:58:44,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:44,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:44,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:44,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:58:44,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:58:44,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:58:44,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:58:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:45,474 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:58:45,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:58:45,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:58:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:45,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 78 [2021-11-21 04:58:53,141 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:58:53,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:58:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:53,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 314 states and 1163 transitions. [2021-11-21 04:58:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1163 transitions. [2021-11-21 04:58:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:53,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:53,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:53,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:58:53,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:58:53,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:58:53,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:58:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:55,128 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:58:55,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:58:55,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:58:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:58:55,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 80 [2021-11-21 04:59:02,725 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:59:02,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:59:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 316 states and 1171 transitions. [2021-11-21 04:59:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1171 transitions. [2021-11-21 04:59:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:59:03,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:03,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:03,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:59:03,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:03,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:59:03,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:59:04,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:04,585 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 04:59:04,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 04:59:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:04,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 49 [2021-11-21 04:59:11,811 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:59:11,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:59:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 318 states and 1179 transitions. [2021-11-21 04:59:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1179 transitions. [2021-11-21 04:59:12,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:59:12,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:12,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:12,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:59:12,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:12,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:59:12,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:59:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:13,789 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 04:59:13,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 04:59:13,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:59:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:14,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 80 [2021-11-21 04:59:22,112 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:59:22,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:59:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:22,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 320 states and 1187 transitions. [2021-11-21 04:59:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1187 transitions. [2021-11-21 04:59:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:59:22,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:22,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:22,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:59:22,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:22,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:59:22,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:59:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:23,120 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:59:23,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:59:23,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:59:23,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:23,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:23,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:59:23,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 82 [2021-11-21 04:59:30,334 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:59:30,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:59:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:30,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 322 states and 1195 transitions. [2021-11-21 04:59:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1195 transitions. [2021-11-21 04:59:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:59:30,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:30,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:30,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 04:59:30,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:30,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:59:30,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:59:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:31,434 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:59:31,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:59:31,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:59:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:31,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:31,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:59:31,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 81 [2021-11-21 04:59:39,541 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:59:39,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:59:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:40,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 324 states and 1203 transitions. [2021-11-21 04:59:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1203 transitions. [2021-11-21 04:59:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:59:40,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:40,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:40,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:59:40,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:40,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:59:40,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 04:59:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:41,458 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:59:41,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:59:41,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:59:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:41,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:41,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:59:41,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 57 [2021-11-21 04:59:50,471 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 04:59:50,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 04:59:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:50,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 326 states and 1211 transitions. [2021-11-21 04:59:50,988 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1211 transitions. [2021-11-21 04:59:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:59:50,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:50,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:51,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:59:51,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:51,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 04:59:51,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 04:59:51,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:51,874 INFO L354 Elim1Store]: treesize reduction 401, result has 10.7 percent of original size [2021-11-21 04:59:51,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 176 [2021-11-21 04:59:52,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:59:52,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:52,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:52,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 04:59:52,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 72 [2021-11-21 05:00:00,104 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:00:00,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 05:00:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 328 states and 1219 transitions. [2021-11-21 05:00:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1219 transitions. [2021-11-21 05:00:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:00:00,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:00,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:00,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 05:00:00,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:00,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:00:00,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:00:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:01,186 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 05:00:01,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 05:00:01,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:01,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 55 [2021-11-21 05:00:09,924 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:00:09,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 05:00:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:10,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 330 states and 1227 transitions. [2021-11-21 05:00:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1227 transitions. [2021-11-21 05:00:10,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:00:10,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:10,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:10,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 05:00:10,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:10,518 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 10 treesize of output 8 [2021-11-21 05:00:10,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:00:10,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:11,027 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 05:00:11,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 05:00:11,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:00:11,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:11,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 78 [2021-11-21 05:00:19,149 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:00:19,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 05:00:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 332 states and 1235 transitions. [2021-11-21 05:00:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1235 transitions. [2021-11-21 05:00:19,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:00:19,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:19,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:19,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 05:00:19,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:19,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:00:19,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:00:21,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:21,193 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 05:00:21,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 05:00:21,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:21,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 73 [2021-11-21 05:00:29,463 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:00:29,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 05:00:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:30,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:30,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 334 states and 1243 transitions. [2021-11-21 05:00:30,027 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1243 transitions. [2021-11-21 05:00:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:00:30,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:30,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:30,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 05:00:30,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:30,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:00:30,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:00:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:30,568 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 05:00:30,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 05:00:30,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:30,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 79 [2021-11-21 05:00:38,586 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:00:38,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 05:00:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 336 states and 1251 transitions. [2021-11-21 05:00:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1251 transitions. [2021-11-21 05:00:39,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:00:39,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:39,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:39,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 05:00:39,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:39,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:00:39,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:00:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:39,680 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 05:00:39,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 05:00:39,768 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:00:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:40,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 58 [2021-11-21 05:00:48,156 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:00:48,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 05:00:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 338 states and 1259 transitions. [2021-11-21 05:00:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1259 transitions. [2021-11-21 05:00:48,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:00:48,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:48,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:48,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 05:00:48,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:48,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:00:48,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-21 05:00:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:50,439 INFO L354 Elim1Store]: treesize reduction 405, result has 9.8 percent of original size [2021-11-21 05:00:50,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 172 [2021-11-21 05:00:50,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:50,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 72 [2021-11-21 05:00:58,731 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-21 05:00:58,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 05:00:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 340 states and 1267 transitions. [2021-11-21 05:00:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1267 transitions. [2021-11-21 05:00:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:00:59,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:59,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:59,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 05:00:59,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:59,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 05:00:59,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-21 05:00:59,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:59,860 INFO L354 Elim1Store]: treesize reduction 416, result has 7.3 percent of original size [2021-11-21 05:00:59,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 161 [2021-11-21 05:01:00,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:00,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 78